This document provides definitions and information about ecology, populations, and respiration. It begins with definitions of key ecological terms like habitat, population, community, ecosystem, niche, and adaptation. It then describes methods for investigating populations like using quadrats and transects. It discusses factors that influence population size and human population growth. Finally, it explains cellular respiration, comparing aerobic respiration to anaerobic respiration.
For this assignment, we were instructed to create a powerpoint presentation of at least 12 slides that adequately covered an academic subject of our choice. All sources for media is cited in the work cited at the end of the presentation.
For this assignment, we were instructed to create a powerpoint presentation of at least 12 slides that adequately covered an academic subject of our choice. All sources for media is cited in the work cited at the end of the presentation.
Cellular respiration ppt, describes generalities about energy and ATP, and the three stages of cellular respiration: Gylolisis, Krebs Cylce and Electron transport chain.
Photosynthesis and respiration are reactions that complement each other in the environment. They are in reality the same reactions but occurring in reverse. While in photosynthesis carbon dioxide and water yield glucose andoxygen, through the respiration process glucose and oxygen yield carbon dioxide and water.
They work well since living organisms supply plants with carbon dioxide which undergoes photosynthesis and produces glucose and these plants and bacteriagive out oxygen which all living organisms need for respiration.
Photosynthesis is a process that converts carbon dioxide into organic compounds in presence of sunlight. Respiration is the set of metabolic reactions that take in cells of living organisms that convert nutrients like sugar into ATP (adenosine tri phosphate) and waste products.
Processes in photosynthesis are divided on basis of requirement of sunlight while respiration processes are divided on basis of requirement of oxygen. Hence in photosynthesis you have the light dependent reactions and the dark reactions while inrespiration there is aerobic respiration and anaerobic respiration.
In photosynthesis light dependent reactions, ultra violet light strikes chlorophyll pigments which excites electrons leading to separation of oxygen molecules from carbon dioxide. In the dark reactions, carbon molecules now independent of oxygen are converted into carbohydrates and stored in plant cells as energy and food source. In aerobic cellular respiration oxygen is utilized to convert organic compounds into energy and in anaerobic respiration converts organic compounds into energy without using oxygen.
Cellular respiration ppt, describes generalities about energy and ATP, and the three stages of cellular respiration: Gylolisis, Krebs Cylce and Electron transport chain.
Photosynthesis and respiration are reactions that complement each other in the environment. They are in reality the same reactions but occurring in reverse. While in photosynthesis carbon dioxide and water yield glucose andoxygen, through the respiration process glucose and oxygen yield carbon dioxide and water.
They work well since living organisms supply plants with carbon dioxide which undergoes photosynthesis and produces glucose and these plants and bacteriagive out oxygen which all living organisms need for respiration.
Photosynthesis is a process that converts carbon dioxide into organic compounds in presence of sunlight. Respiration is the set of metabolic reactions that take in cells of living organisms that convert nutrients like sugar into ATP (adenosine tri phosphate) and waste products.
Processes in photosynthesis are divided on basis of requirement of sunlight while respiration processes are divided on basis of requirement of oxygen. Hence in photosynthesis you have the light dependent reactions and the dark reactions while inrespiration there is aerobic respiration and anaerobic respiration.
In photosynthesis light dependent reactions, ultra violet light strikes chlorophyll pigments which excites electrons leading to separation of oxygen molecules from carbon dioxide. In the dark reactions, carbon molecules now independent of oxygen are converted into carbohydrates and stored in plant cells as energy and food source. In aerobic cellular respiration oxygen is utilized to convert organic compounds into energy and in anaerobic respiration converts organic compounds into energy without using oxygen.
A Level Biology - Classification and Biodiversitymrexham
This is a PowerPoint presentation for Topic 3 in the Edexcel Biology B A Level course that starts in 2015.
This is a free sample, the full PowerPoint presentation is available to purchase here: https://sellfy.com/MrExham
Energy Flow in Environment : Ecological EnergeticsKamlesh Patel
What is Energy:
The ability or capacity to do work,
Radiant, Chemical, thermal, mechanical, nuclear, electrical.
What is Energy Flow:
The existence of flora and fauna in ecosystem depends upon the cycle of minerals and flow of energy. Energy is needed for all the biotic activities. The only source of this energy is the sun. The entrance, transformation and diffusion of energy in ecosystem are governed by laws of thermodynamics.
Basic functional unit of ecology
Interacting system
Fundamental ecological Unit (ODUM)
Biotic and Abiotic factors
A.G.Tansley (1935)
Eco – environment and system – complex coordinated unit
Holocoenosis
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
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Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
Essentials of Automations: Optimizing FME Workflows with ParametersSafe Software
Are you looking to streamline your workflows and boost your projects’ efficiency? Do you find yourself searching for ways to add flexibility and control over your FME workflows? If so, you’re in the right place.
Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
Here’s what you’ll gain:
- Essentials of FME Parameters: Understand the pivotal role of parameters, including Reader/Writer, Transformer, User, and FME Flow categories. Discover how they are the key to unlocking automation and optimization within your workflows.
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- Pro Tips for Success: Gain insights on parameterizing connections and leveraging new features like Conditional Visibility for clarity and simplicity.
We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
"Impact of front-end architecture on development cost", Viktor TurskyiFwdays
I have heard many times that architecture is not important for the front-end. Also, many times I have seen how developers implement features on the front-end just following the standard rules for a framework and think that this is enough to successfully launch the project, and then the project fails. How to prevent this and what approach to choose? I have launched dozens of complex projects and during the talk we will analyze which approaches have worked for me and which have not.
Kubernetes & AI - Beauty and the Beast !?! @KCD Istanbul 2024Tobias Schneck
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Let me take this questions and provide you a short journey through existing deployment models and use cases for AI software. On practical examples, we discuss what cloud/on-premise strategy we may need for applying it to our own infrastructure to get it to work from an enterprise perspective. I want to give an overview about infrastructure requirements and technologies, what could be beneficial or limiting your AI use cases in an enterprise environment. An interactive Demo will give you some insides, what approaches I got already working for real.
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The field of Information retrieval (IR) is currently undergoing a transformative shift, at least partly due to the emerging applications of generative AI to information access. In this talk, we will deliberate on the sociotechnical implications of generative AI for information access. We will argue that there is both a critical necessity and an exciting opportunity for the IR community to re-center our research agendas on societal needs while dismantling the artificial separation between the work on fairness, accountability, transparency, and ethics in IR and the rest of IR research. Instead of adopting a reactionary strategy of trying to mitigate potential social harms from emerging technologies, the community should aim to proactively set the research agenda for the kinds of systems we should build inspired by diverse explicitly stated sociotechnical imaginaries. The sociotechnical imaginaries that underpin the design and development of information access technologies needs to be explicitly articulated, and we need to develop theories of change in context of these diverse perspectives. Our guiding future imaginaries must be informed by other academic fields, such as democratic theory and critical theory, and should be co-developed with social science scholars, legal scholars, civil rights and social justice activists, and artists, among others.
JMeter webinar - integration with InfluxDB and GrafanaRTTS
Watch this recorded webinar about real-time monitoring of application performance. See how to integrate Apache JMeter, the open-source leader in performance testing, with InfluxDB, the open-source time-series database, and Grafana, the open-source analytics and visualization application.
In this webinar, we will review the benefits of leveraging InfluxDB and Grafana when executing load tests and demonstrate how these tools are used to visualize performance metrics.
Length: 30 minutes
Session Overview
-------------------------------------------
During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
- Which features are provided by Grafana?
- Demonstration of InfluxDB and Grafana using a practice web application
To view the webinar recording, go to:
https://www.rttsweb.com/jmeter-integration-webinar
Software Delivery At the Speed of AI: Inflectra Invests In AI-Powered QualityInflectra
In this insightful webinar, Inflectra explores how artificial intelligence (AI) is transforming software development and testing. Discover how AI-powered tools are revolutionizing every stage of the software development lifecycle (SDLC), from design and prototyping to testing, deployment, and monitoring.
Learn about:
• The Future of Testing: How AI is shifting testing towards verification, analysis, and higher-level skills, while reducing repetitive tasks.
• Test Automation: How AI-powered test case generation, optimization, and self-healing tests are making testing more efficient and effective.
• Visual Testing: Explore the emerging capabilities of AI in visual testing and how it's set to revolutionize UI verification.
• Inflectra's AI Solutions: See demonstrations of Inflectra's cutting-edge AI tools like the ChatGPT plugin and Azure Open AI platform, designed to streamline your testing process.
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The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
Download the full report from here:
https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
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All of this illustrated with link prediction over knowledge graphs, but the argument is general.
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👨🏫 Andras Palfi, Senior Product Manager, UiPath
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2. Ecology Definitions
Habitat – The place where an organism lives
Population – A group of organisms belonging to the same species
Community – All the populations of different organisms living and interacting
in the same space at the same time
Ecosystem – A community of living organisms and the abiotic factors which
affect them
Abiotic – The physical and chemical features of the environment
Biotic – The biological features of the environment (living)
Niche – A species role within it’s habitat
Adaptation – A feature that members of a species have to increase their
chance
of survival
3. Investigating
Populations
Quadrats:
- Set out 2 tape measure at right angles, forming the axes for the
chosen area
- Generate 2 random numbers (using calculator) to use as coordinates
- Place quadrat where co-ords meet
- Find mean number of species per quadrat
- Multiply by size of area being sampled
Transects:
- It’s a line through an area to be studied to identify changes through
an area
- Line Transects – a tape measure is placed along the transect and
the
species that touch the tape measure are recorded
- Belt Transects – quadrats are placed next to each other along the
transect to work out species frequency &
percentage
cover along a transect
4. Measuring Abundance
Quadrats:
- Have a known dimension
- Used to:
- Estimate population density
- Estimate % cover of an organism
- Estimate the frequency of an organism
Factors:
- Size of quadrat – More small quadrats = more representative results
- Number of quadrats – more quadrats = more reliable results
- Position of quadrat – must be placed randomly to avoid bias
At least 20 samples taken. Eventually a sample size is big enough that the
number of species doesn’t increase much more the sample is said to be
representative.
5. Mark-Release
Recapture
A known number of animals are caught and marked. They’re then released back.
Later another sample are caught and the number of marked individuals is recorded
Assumptions:
- No reproduction
- No migration
- Enough time for both marked & unmarked animals to mix
- Marking doesn’t affect behaviour
6. Variation in Population Size
Abiotic Factors:
- Affected by factors such as temperature, light, space, water etc…
- When conditions are ideal an organism will thrive and vice versa
Biotic Factors:
- Interspecific Competition:
-
Competition between different species
- Intraspecific Competition:
-
Competition between the same species
- Predation – Predator & Prey populations are linked
-
Prey increases, more food, so predator increases.
Predator eats prey, prey decreases as they’re eaten
Predator decreases due to lack of food
Predator peaks after prey
7. Human Populations
Population Growth = (BR + Immigration) – (DR + Emigration)
% Population Growth Rate =
Population Change
Population Start
x 100
Demographic Transition Model:
- Shows the change in BR, DR & population size over along period of time
8. Survival Curves
Show the percentage of all individuals that were born in a population that are still
alive at a given age.
Life Expectancy – is the age someone is expected to live to
- it’s the age at which 50% of the population are still alive
e.g. the life expectancy of this example is
81 as that is the age when 50% of the
population are still alive
10. Ecosystem Definitions
Producer – They’re photosynthetic organisms that manufacture organic
substances using light energy, water and CO2
Consumer – They’re organisms that obtain their energy by feeding on other
organisms
Decomposers – When consumers & producers die, the energy can be used
by
organisms that break down the complex materials into single
components again
Food Chains – Describes a feeding relationship in which the producer are
eaten
by the primary consumers. They’re then eaten by secondary
consumer
Trophic Level – The level between each stage in the food chain
Food Web – More than one food chain linked together
Trophic Level
Grass Sheep Human
(Producer)
(1° Consumer)
(2° Consumer)
11. Energy Transfer Between
Trophic Levels
Little solar energy converted to chemical energy in PS:
- Some is reflected due to wrong wavelength/frequency/colour
- Doesn’t hit chlorophyll molecule
- Lost as heat during evaporation
Energy is lost along a food chain:
- Not all the organism is eaten
- Not all organism digested – lost in faeces
- Urine
- Heat in respiration
- Movement
- Birds & Mammals – energy used to maintain a constant body temperature
(homeostasis)
Not enough energy to support further trophic levels, so rarely more than 4
trophic levels present in a food chain
12. Net Primary Productivity
Gross Primary Productivity (GPP) – Amount of light energy that plants
convert
to chemical energy
Net Primary Productivity (NPP) – Total amount of energy stored in a plant
that
is available to the next trophic level
NPP = GPP - Respiration
Measured in
Energy
=
Transfer (%)
kJ m-2 Year -1
Energy after Transfer
X 100
Energy before Transfer
13. Production of ATP
•
ATP- Adenine TriPhosphate
•
Made from ADP + Pi
•
Energy stored in the phosphate bond
•
ATPase catalyses the breakdown of ATP into ADP + Pi
•
ATP synthase catalyses the production of ATP
•
The ADP + Pi is recycled and the process starts again
Properties:
• Small compound – easily transported around the
cell
• Easily broken down (Hydrolysed)
• Cell has instant energy supply
14. Photosynthesis
2 Photo Systems capture light in a chloroplast PSI (best at 700nm) & PSII (best at
680nm)
Thylakoid
Stroma Starch Grain
6CO2 + 6H2O + Energy = C6H12O6 + 6O2
Granum
Contains
Chlorophyll
Substomatal
Cavity
Inner &
Outer
membrane
Waxy Cuticle
Loop of DNA
Lamellae (Membrane
joining Thylakoids)
Absorption Spectrum
Number of
Chloroplasts
Upper Epidermis
Airy Cells,
lots of
space
Palisade Layer
Spongy Mesophyll
Lower Epidermis
Plants absorb red & blue
wavelengths only
reflecting green. It’s why
they’re green
15. LDS (Non-Cyclic Photophosphorylation)
Electron Acceptor
Electron Carrier
Photolysis Of Water:
2H2O = 4H+ + 4e- + O2
Requires a photon to split water
Occurs in the Thylakoids of
chloroplasts
Thylakoids adapted for their function:
•
•
•
•
Large SA, large area for attachment of chlorophyll, electron carriers and enzymes
Proteins in grana hold chlorophyll to allow max light intake
Granal membranes contain enzymes that help make ATP
Chloroplast contain DNA & Ribosomes to manufacture proteins for LDS quickly
17. LIS (Calvin Cycle)
In Stroma
RuBp – Ribulose
Bisphosphate
TP – Triose Phosphate
(GALP)
GP – Glycerate 3-Phosphate
RUBISCO – Enzyme used in
CO2 Fixation
ATP and rNADP from LDS
6 Cycles = 1 Glucose
Molecule
18. Respiration
C6H12O6 + 6O2 = 6CO2 + 6H2O + Energy
1. Glycolysis:
• Makes Pyruvate from Glucose
• In cytoplasm
• Anaerobic Process
• Net Yield of 2ATP
Dehydrogenation – Removal of H2
- Using dehydrogenase enzyme
Substrate Level Phosphorylation
- ADP + Pi ATP
19. 2. Link Reaction:
•
•
•
Pyruvate oxidised by removing H
Acetyl CoEnzyme A produced
Per Pyruvate a CO2 molecule produced
Decarboxylation – Removal of CO2
- Using Decarboxylase enzyme
Pyruvate + NAD + CoA = Acetyl CoA + rNAD + CO2
20. 3. Krebs Cycle:
•
•
•
Acetyl CoA + oxaloacetate (4C) = Citrate
Citrate converted to 5C compound ( 2H+ & CO2 removed)
5C to 4C Produces:
• 2 x rNAD
• ATP
NAD – Nicotinamide Adenine Dinucleotide
• rFAD
FAD – Flavine Adenine Dinucleotide
• CO2
21. Electron Transfer Chain
When rFAD & rNAD are oxidised they release 2H & 2eElectrons used in transfer chain Hydrogen used in chemiosmosis
Energy/ATP produced in ETC is used to power chemiosmosis
Oxygen is the last electron acceptor.
O2 + 2e- + 2H H2O
22. Chemiosmosis
In Photosynthesis & Respiration Energy (ATP) from ETC used to power Chemiosmosis
If ATP synthase
not present energy
lost in the form of
Heat instead of
forming ATP
Electro – Chemical
Gradient
Active Transport
24. Anaerobic Respiration
Instead of pyruvate being converted into Acetyl CoA it’s
converted into ethanol (in plants and yeast) and lactic acid (in
animals and some bacteria)