Education - a short run down on whether Cane Toads are a saviour or a menace. It begins with five, maybe, known facts and why they were introduced to northern Queensland. And now 85 years later do they hold Australian Species at ransom?
Education - a short run down on whether Cane Toads are a saviour or a menace. It begins with five, maybe, known facts and why they were introduced to northern Queensland. And now 85 years later do they hold Australian Species at ransom?
DIVERSITY STUDY OF ODONATA IN CHINTAMANI KAR BIRD SANCTUARY, KOLKATA, WEST BE...IAEME Publication
Species records of protected areas by creating checklists and updating them is crucial to understand species distribution, dynamics and possible threats to them. Chintamani Kar Bird Sanctuary is a protected area famed for its wide variety of floral and faunal diversity, located in close proximity to the metropolis of Kolkata and odonata is real flagship taxa of freshwater ecosystems, often used as indicator species to assess the quality of their close environment. Adult odonata (both suborder- Anisoptera; Dragonfly & Zygoptera; Damselfly) needs resource-rich terrestrial habitats for maturation, feeding, resting, and mating. Species diversity indices like Simpson and Shannon are applied to analyze the odonatan population diversity in this protected area. Our study of odonata populations has been made for the first time in this protected area. As far as species richness is concerned, the family Libellulidae is found to be dominant among Anisoptera whereas species of the family Coenagrionidae is dominant among Zygoptera. Our observations support the importance of this region in providing valuable habitats for Odonata.
The World's Top 10 Deadliest Snakes 2020-2021Nisarg Mehta
Here, is My research Work About World's Top 10 Deadliest Snakes. The Ranking Of Snakes is According to Their,
(1. Potential of causing human fatalities
(2. Toxicity of Venom (Molecular)
(3. Average time of death ( From Experiments on Mice & Real Incidents)
(4. Availability of Antivenom
Thanks To: Owlcation.com
This PowerPoint was one very small part of my Ecology Interactions Unit from the website http://sciencepowerpoint.com/index.html .This unit includes a 3 part 2000+ Slide PowerPoint loaded with activities, project ideas, critical class notes (red slides), review opportunities, challenge questions with answers, 3 PowerPoint review games (125 slides each) and much more. A bundled homework package and detailed unit notes chronologically follow the PowerPoint slideshow.
Areas of Focus within The Ecology Interactions Unit: Levels of Biological Organization (Ecology), Parts of the Biosphere, Habitat, Ecological Niche, Types of Competition, Competitive Exclusion Theory, Animal Interactions, Food Webs, Predator Prey Relationships, Camouflage, Population Sampling, Abundance, Relative Abundance, Diversity, Mimicry, Batesian Mimicry, Mullerian Mimicry, Symbiosis, Parasitism, Mutualism, Commensalism, Plant and Animal Interactions, Coevolution, Animal Strategies to Eat Plants, Plant Defense Mechanisms, Exotic Species, Impacts of Invasive Exotic Species.
If you have any questions please feel free to contact me. Thank you again and best wishes.
Sincerely,
Ryan Murphy M.Ed
www.sciencepowerpoint@gmail.com
Biological screening of herbal drugs: Introduction and Need for
Phyto-Pharmacological Screening, New Strategies for evaluating
Natural Products, In vitro evaluation techniques for Antioxidants, Antimicrobial and Anticancer drugs. In vivo evaluation techniques
for Anti-inflammatory, Antiulcer, Anticancer, Wound healing, Antidiabetic, Hepatoprotective, Cardio protective, Diuretics and
Antifertility, Toxicity studies as per OECD guidelines
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Safalta Digital marketing institute in Noida, provide complete applications that encompass a huge range of virtual advertising and marketing additives, which includes search engine optimization, virtual communication advertising, pay-per-click on marketing, content material advertising, internet analytics, and greater. These university courses are designed for students who possess a comprehensive understanding of virtual marketing strategies and attributes.Safalta Digital Marketing Institute in Noida is a first choice for young individuals or students who are looking to start their careers in the field of digital advertising. The institute gives specialized courses designed and certification.
for beginners, providing thorough training in areas such as SEO, digital communication marketing, and PPC training in Noida. After finishing the program, students receive the certifications recognised by top different universitie, setting a strong foundation for a successful career in digital marketing.
Normal Labour/ Stages of Labour/ Mechanism of LabourWasim Ak
Normal labor is also termed spontaneous labor, defined as the natural physiological process through which the fetus, placenta, and membranes are expelled from the uterus through the birth canal at term (37 to 42 weeks
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
2. 2
*P43533A0212*
Answer ALL questions.
1 Read the passage below. Use the information in the passage and your own
knowledge to answer the questions that follow.
Red and Grey Squirrels
(Photographer: Matti Parkkonen)
Red squirrels live in pine tree habitats in the United Kingdom (UK) where their
main predators are birds of prey such as the goshawk. The squirrels mainly eat
pine cone seeds. This food is plentiful in the autumn and helps the squirrels
increase their body mass. Having a larger body mass helps red squirrels to
survive the cold winter conditions. It also means that breeding females are in
good condition to produce young in the spring.
Red squirrels were common in the UK until a different species, the grey
squirrel, was introduced from America in 1876. The two species struggled to
exist in the same woodland habitat and it is the red squirrel population that
is decreasing. There are estimated to be only 140000 red squirrels left
in the UK, and 2.5 million grey squirrels. The spread of the grey squirrel has
been rapid, and in some areas native red squirrels are no longer seen.
The grey squirrel outcompetes the red squirrel and there is some evidence
that it is also more resistant to disease. The increase in the number of grey
squirrels in the UK is having a harmful effect on other native communities
where the plants and animals are poorly adapted to withstand their presence.
The grey squirrels are causing significant harm to woodland habitats, and
recent scientific studies have reported that they are having a serious effect
on the number of native woodland birds.
The Forestry Commission is an organisation in the UK trying to develop a
long-term conservation strategy to save the red squirrel from extinction.
It is hoped that this work will help to restore the UK’s native biodiversity.
5
10
15
20
3. 3
*P43533A0312* Turn over
(a) Name a secondary consumer in a food chain containing red squirrels.
(1)
....................................................................................................................................................................................................................................................................................
(b) Suggest how a larger body mass helps squirrels survive the cold winter
(lines 4 and 5).
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(c) Suggest two reasons why it is an advantage for red squirrels to produce young in
the spring (line 6).
(2)
1................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(d) (i) What is meant by the term habitat (line 9)?
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) What is meant by the term population (line 9)?
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(e) Use the data in the passage to calculate the percentage of all the squirrels in the
UK that are red. Show your working.
(2)
percentage .............................................................. %
4. 4
*P43533A0412*
(f) Give two possible reasons why grey squirrels are increasing in number compared
to red squirrels.
(2)
1................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(g) Grey squirrels have a greater effect on the number of woodland birds than red
squirrels (lines 17 to 19).
Suggest how scientists could collect data to support this hypothesis.
(3)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(h) Suggest two methods the Forestry Commission might use to save the red squirrel
from extinction (line 21).
(2)
1................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 1 = 16 marks)
5. 5
*P43533A0512* Turn over
2 (a) The table lists some processes used in plant reproduction.
In each box, place a tick ( ) if the process helps to produce offspring with genetic
variation, or a cross ( ) if it produces offspring with no genetic variation. The first
one has been done for you.
(3)
Process
Genetic variation
in offspring
runners producing new plants
micropropagation
wind-pollination
taking cuttings
self-pollination of a flower
(b) The photograph shows an eight-celled human embryo produced in human
reproduction.
Describe the events that take place at fertilisation and up to the production of the
eight-celled human embryo.
(4)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
.....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
.....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 2 = 7 marks)
6. 6
*P43533A0612*
3 Flowering plants can respond to their environment through tropic responses. These
involve root or shoot tips growing towards or away from a stimulus.
A student set up an experiment to investigate how shoots respond to gravity.
He placed a potted plant on its side and looked at its growth after 5 days. The
diagram shows what he saw.
(a) (i) Explain the benefit to the plant of this response.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) Give one variable that the student should keep the same in his experiment
and suggest how he could do this.
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(iii) Suggest a suitable control for this experiment.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
7. 7
*P43533A0712* Turn over
(b) Plants can respond to drought by closing their stomata.
(i) Suggest how a plant benefits from closing its stomata when less water is
available in the soil.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) Explain the disadvantages to the plant of closing its stomata.
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 3 = 7 marks)
8. 8
*P43533A0812*
4 A student wants to investigate the effect of secretions (juice) from the pancreas on
the digestion of protein.
The white of an egg is put into fifteen 50 mm long capillary tubes. The tubes are
placed in boiling water for 10 minutes until the egg white becomes solid. The
diagram shows one of the tubes filled with solid egg white.
The fifteen tubes are put into three groups of five.
five tubes are placed in a beaker of distilled water
five tubes are placed into a beaker of juice from the pancreas
five tubes are placed into a beaker of juice from the pancreas that has been boiled
After three hours the length of the boiled egg white in each tube is measured in mm.
The results are shown in the table.
Length of boiled egg white after three hours in mm
Distilled water
Juice
from
the pancreas
Boiled juice
from
the pancreas
50 14 50
50 12 50
50 13 50
50 14 50
50 14 50
(a) (i) Give the dependent variable in this experiment.
(1)
....................................................................................................................................................................................................................................................................................
capillary tube
boiled egg white
9. 9
*P43533A0912* Turn over
(ii) Give two reasons why the results obtained by the student are reliable.
(2)
1................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
2................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(iii) Suggest how the student can obtain precise measurements of length.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(b) (i) Explain the difference in the results obtained in distilled water compared to
juice from the pancreas.
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) Explain the difference in the results obtained in pancreas juice compared to
boiled juice from the pancreas.
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(c) Suggest how you could modify this investigation to find out the effect of pH on
protein digestion by pancreas juice.
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 4 = 10 marks)
10. 10
*P43533A01012*
5 Insulin is an important hormone.
(a) Name the organ that produces insulin.
(1)
....................................................................................................................................................................................................................................................................................
(b) State the role of insulin in the body.
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(c) (i) Describe how bacteria can be genetically modified to produce human insulin.
(5)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) The term that best describes bacteria that have been genetically modified to
produce human insulin is
(1)
A antibiotic
B aseptic
C pathogenic
D transgenic
11. 11
*P43533A01112* Turn over
(d) The diagram shows part of a fermenter used to grow large numbers of genetically
modified bacteria.
(i) Suggest how the air inlet helps the genetically modified bacteria to grow.
(2)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) If the pH probe stops working the pH in the fermenter becomes more acidic.
Describe and explain how this affects the production of human insulin.
(4)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 5 = 15 marks)
sterile nutrient
medium
stirrer
oxygen
concentration probe
cooling jacket
cold water inlet
cold water
outlet
temperature probe
pH probe
air inlet
motor acid/alkali
12. 12
*P43533A01212*
6 Some types of algae are microscopic organisms that can carry out photosynthesis.
They produce most of their biomass as fats and oils. If these algae could be grown
in large numbers it might help to solve the world’s energy crisis because the fats and
oils could be turned into biofuel.
Describe and explain the conditions needed to successfully grow large numbers of
algae.
(5)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 6 = 5 marks)
TOTAL FOR PAPER = 60 MARKS