Asexual reproduction is a process in which new organism is produced from a single parent without the involvement of gametes or cells. Many unicellular and multi cellular organisms reproduce asexually.
Parts of a Flower
Sepals
Petals
Receptacle
Pistil
Stamen
Stamen
The stamen (plural stamina or stamens) is the pollen-producing reproductive organ of a flower.
Filament- Supports the Anther
Anther- Produces Pollen Grains
Pistil
The ovule producing part of a flower.
The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit, and the mature ovule is a seed. Stigma: The part of the pistil where pollen germinates.
Peduncle
The stalk of a flower.
Types of Flowers
Complete Flowers- have both male and female parts
Incomplete Flowers- have either male or female parts but not both.
Pollination
is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.
How Are Plants Pollinated?
Bees
Birds
Wind
Humans
Animals
How Are Flowers Useful to Us?
Flowers are not just beautiful to look at,
but they also serve a vital role in our ecosystem.
Flowers help our ecosystem flourish and attract a plethora of life to the area and facilitate the expansion of our environment. If flowers are cut down or destroyed before pollination can occur, that particular species has a high chance of dying off in that area. In addition, local wildlife will also vanish in that area since they would have no food. Flowers help keep the ecosystem growing and provide new plant life, as well as help sustain local insects and birds.
References
https://www.google.com/search?q=the+warmth+of+the+sun&biw=1366&bih=624&source=lnms&tbm=isch&sa=X&ved=0ahUKEwijzIvum-vNAhVGE5QKHVPECrQQ_AUICCgD#tbm=isch&q=flower&imgdii=FzbkxijP3tcE6M%3A%3BFzbkxijP3tcE6M%3A%3B9HeLL-NVdsjrxM%3A&imgrc=FzbkxijP3tcE6M%3A
https://www.google.com/search?q=plants+need+to+grow&biw=1366&bih=624&source=lnms&tbm=isch&sa=X&sqi=2&ved=0ahUKEwiJtPjrnOvNAhXCj5QKHcPEAP0Q_AUIBigB#tbm=isch&q=parts+of+flower+for+kindergarten&imgrc=e6V8oQskJakoiM%3A
https://www.google.com/imgres?imgurl=http%3A%2F%2Fwww.biotik.org%2Flaos%2Fdefs%2FStamen_en.gif&imgrefurl=http%3A%2F%2Fwww.biotik.org%2Flaos%2Fdefs%2F354_en.html&docid=Ds4mwro4x7NUhM&tbnid=QKkshukLyPxM2M%3A&w=455&h=283&noj=1&ved=0ahUKEwiDpou4pOvNAhWGKJQKHR2ZD3kQMwg6KAcwBw&iact=mrc&uact=8&biw=1366&bih=624#h=283&imgdii=QKkshukLyPxM2M%3A%3BQKkshukLyPxM2M%3A%3Bsk-2e39y3k6kCM%3A&w=455
https://www.google.com/search?q=stamen&biw=1366&bih=624&noj=1&source=lnms&sa=X&ved=0ahUKEwiDpou4pOvNAhWGKJQKHR2ZD3kQ_AUIBygA&dpr=1
I can't claim credit for this presentation's original format; which a colleague downloaded. I've just added and tweaked a little so that it fits within my class's syllabus.
Basic presentation of the parts of a plant and of the life cycle of plants. Pitched at about the 2nd, 3rd or 4th grade level. Lots of descriptive pictures and diagrams.
Parts of a Flower
Sepals
Petals
Receptacle
Pistil
Stamen
Stamen
The stamen (plural stamina or stamens) is the pollen-producing reproductive organ of a flower.
Filament- Supports the Anther
Anther- Produces Pollen Grains
Pistil
The ovule producing part of a flower.
The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit, and the mature ovule is a seed. Stigma: The part of the pistil where pollen germinates.
Peduncle
The stalk of a flower.
Types of Flowers
Complete Flowers- have both male and female parts
Incomplete Flowers- have either male or female parts but not both.
Pollination
is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.
How Are Plants Pollinated?
Bees
Birds
Wind
Humans
Animals
How Are Flowers Useful to Us?
Flowers are not just beautiful to look at,
but they also serve a vital role in our ecosystem.
Flowers help our ecosystem flourish and attract a plethora of life to the area and facilitate the expansion of our environment. If flowers are cut down or destroyed before pollination can occur, that particular species has a high chance of dying off in that area. In addition, local wildlife will also vanish in that area since they would have no food. Flowers help keep the ecosystem growing and provide new plant life, as well as help sustain local insects and birds.
References
https://www.google.com/search?q=the+warmth+of+the+sun&biw=1366&bih=624&source=lnms&tbm=isch&sa=X&ved=0ahUKEwijzIvum-vNAhVGE5QKHVPECrQQ_AUICCgD#tbm=isch&q=flower&imgdii=FzbkxijP3tcE6M%3A%3BFzbkxijP3tcE6M%3A%3B9HeLL-NVdsjrxM%3A&imgrc=FzbkxijP3tcE6M%3A
https://www.google.com/search?q=plants+need+to+grow&biw=1366&bih=624&source=lnms&tbm=isch&sa=X&sqi=2&ved=0ahUKEwiJtPjrnOvNAhXCj5QKHcPEAP0Q_AUIBigB#tbm=isch&q=parts+of+flower+for+kindergarten&imgrc=e6V8oQskJakoiM%3A
https://www.google.com/imgres?imgurl=http%3A%2F%2Fwww.biotik.org%2Flaos%2Fdefs%2FStamen_en.gif&imgrefurl=http%3A%2F%2Fwww.biotik.org%2Flaos%2Fdefs%2F354_en.html&docid=Ds4mwro4x7NUhM&tbnid=QKkshukLyPxM2M%3A&w=455&h=283&noj=1&ved=0ahUKEwiDpou4pOvNAhWGKJQKHR2ZD3kQMwg6KAcwBw&iact=mrc&uact=8&biw=1366&bih=624#h=283&imgdii=QKkshukLyPxM2M%3A%3BQKkshukLyPxM2M%3A%3Bsk-2e39y3k6kCM%3A&w=455
https://www.google.com/search?q=stamen&biw=1366&bih=624&noj=1&source=lnms&sa=X&ved=0ahUKEwiDpou4pOvNAhWGKJQKHR2ZD3kQ_AUIBygA&dpr=1
I can't claim credit for this presentation's original format; which a colleague downloaded. I've just added and tweaked a little so that it fits within my class's syllabus.
Basic presentation of the parts of a plant and of the life cycle of plants. Pitched at about the 2nd, 3rd or 4th grade level. Lots of descriptive pictures and diagrams.
Reproduction In Living Beings Class - 10thNehaRohtagi1
PowerPoint Presentation on the topic - 'Reproduction In Living Beings'. For Class:- 10th
Created By - 'Neha Rohtagi'.
I hope that you will found this presentation useful and it will help you out for your concept understanding.
Thank You!
Please give feedbacks and suggestions to get presentations on more interesting topics.
The Gregorian calendar consists of the following 12 months:The National Day is a designated date on which celebrations mark the nationhood of a nation or non-sovereign country. This nationhood can be symbolized by the date of independence, of becoming a republic or a significant date for a patron saint or a ruler (birthday, accession, removal, etc).
The Gregorian calendar consists of the following 12 months:The National Day is a designated date on which celebrations mark the nationhood of a nation or non-sovereign country. This nationhood can be symbolized by the date of independence, of becoming a republic or a significant date for a patron saint or a ruler (birthday, accession, removal, etc).
The National Day is a designated date on which celebrations mark the nationhood of a nation or non-sovereign country. This nationhood can be symbolized by the date of independence, of becoming a republic or a significant date for a patron saint or a ruler (birthday, accession, removal, etc).
DIVERSITY IN LIVING WORLD - (CLASS XI, CBSE BIOLOGY)BIOLOGY TEACHER
Biology is the science of life forms and living processes. The living world comprises an amazing diversity of living organisms. Early man could easily perceive the difference between inanimate matter and living organisms. Early man deified some of the inanimate matter (wind, sea, fire etc.) and some among the animals and plants. A common feature of all such forms of inanimate and animate objects was the sense of awe or fear that they evoked. The description of living organisms including human beings began much later in human history.
THE LIVING ORGANISMS -CHARACTERISTICS AND HABITATS-3 CBSE-V CHAPTER-9BIOLOGY TEACHER
Organisms
An organism is simply defined as any living thing, ranging from microscopic bacteria to large elephants and everything in between.
Different types of plants and animals are found in different areas.
E.g. deserts have camel and cacti as plants. Beaches show coconut trees and crabs. Fishes and other marine animals inhabit the sea
HUMAN CIRCULATORY SYSTEM CHAPTER 8 - CBSE BIOLOGY CLASS-VIIBIOLOGY TEACHER
* Circulatory System: This system is concerned with the circulation of body fluids to distribute various substances to various body parts. The circulatory system is also known as the cardiovascular system.
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Transport of substance in plants
To circulate water, essential nutrients, excretory products, and gases within the plants for various purposes, transportation in plants is necessary. In vascular tissues, this transportation in the plant takes place. By a suction force, water and minerals are transported to various parts of the plant.
Dhanu’s village
Today all the relatives have come to Dhanu’s house to celebrate Dushera. They have come with their luggage in their bullockcarts. Dhanu’s father is the eldest in the family. So all the festivals are celebrated at their house. Dhanu’s mother (aai ), mother’s brother’s wife (mami ) and father’s brother’s wife (kaki ) are busy making puranpoli (sweet rotis made from jaggery and gram).
Along with this a spicy kadi dish is also made. The day passes in laughing and chatting. But by evening everyone’s mood changes. The women and children begin to pack their luggage. The men sit down with the mukadam (agent who lends money) for the meeting. The mukadam gives the details of the loan taken by each family.
LIKE FATHER, LIKE DAUGHTER - ENVIRONMENTAL STUDIES CBSE-VBIOLOGY TEACHER
Tell
Does your face or anything else look similar to that of someone else in your family? What is it? Did someone tell you this or did you find it out yourself? How do you feel when people compare you with someone else in your family? Why do you feel so? Who laughs the loudest in your family? Laugh like that person.
They enjoy the wild fruits. They look for birds, whose calls they imitate. Joining them in all this fun is their favourite didi – Suryamani. Every Sunday Suryamani takes the children to the forest.
As they move around, she shows them how to recognize the trees, the plants, and animals. Children enjoy this special class in a forest! Suryamani always says, “To learn to read the forest is as important as reading books.”
A SEED TELLS A FARMER’S STORY - ENVIRONMENTAL STUDIES CBSE-VBIOLOGY TEACHER
I am a small seed!
I am a small bajra seed. I have stayed in this beautiful wooden box since 1940. I want to tell you my story. This is a long story but not mine alone. It is also the story of my farmer Damjibhai and his family. If I do not tell my story now, it might be too late!
I was born in Vangaam in Gujarat. That year there was a good bajra (millet) crop. There was a festive mood in the village. Our area was famous for its grain and vegetables. Each year Damjibhai kept aside some seeds from a good crop. This way our bajra family went on from one generation to another. Good seeds were stored in dried gourd (lauki ) which was coated with mud.
He would help some memsahib (lady) to carry her bags, or go to the railway station to pick up empty bottles and newspapers to sell to the kabadiwalla (junk seller). Somehow they were managing their life in the city. It was night, but Sidya had not come home. Jhimli was watching a dance on TV, through the neighbour’s window. Jatrya did not like watching TV. Here, everything was so different. The day would pass running around for work, but the evening brought back old memories.
Stars in her eyes (Indian Express, 2007)
Just 13 years old, Afsana Mansuri has already jumped over the wall. The wall between her jhuggi and the local basketball court. The wall made by society, for a girl who washes utensils for a living. The gender wall her mother had put up for her. Today, Afsana herself has become a strong wall of NBA, the Nagpada Basketball Association of Mumbai.
WHO WILL DO THIS WORK - ENVIRONMENTAL STUDIES CBSE-VBIOLOGY TEACHER
Yes, Class-IV (or, Group-D) service means the lowest level posts in Government. This includes Peon, Chaprasi, Daftri, Dispatch Rider, etc. However, nowadays all these employees are called Multi-Tasking Skilled (MTS) workers. Fourth class services are the lowest class services in any organisation.
The woodcutter replied, “It is too cold. My hands are frozen, so I blow on them to warm them up a little. Then, when they get cold again I warm them again by blowing.” You can warm your hands by blowing on them because your breath is hotter than your skin (particularly on a cold day). By blowing, you transfer energy from inside your body to your hands by convection. Moist air, like your breath, carries a lot of energy so it warms things more quickly than dry air.
A SHELTER SO HIGH! - ENVIRONMENTAL STUDIES CBSE-VBIOLOGY TEACHER
I am Gaurav Jani and this is ‘Loner ’ – my partner – my motorcycle.
But, Loner is never lonely. We are together all the time. I and my motorcycle wait for a chance to get away from the busy, crowded and noisy city of Mumbai. We like to travel to different parts of this wonderful country. Let me tell you about our amazing journey on the highest roads in India.
WHEN THE EARTH SHOOK!-ENVIRONMENTAL STUDIES CBSE-VBIOLOGY TEACHER
Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. ... The rocks are still pushing against each other, but not moving. After a while, the rocks break because of all the pressure that's built up.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
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.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
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This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
2. Asexual Reproduction in Plants
1. Involves only one parent,
2. Does not involve seeds or the fusion of gametes
3. Instead part of a plant’s stem, leaves or roots can become new
plants,
4. Produces offspring / clones genetically identical to the parent,
5. Allows plants to be produced much faster then sexual
reproduction.
There are six types of a sexual reproduction. They are:
1) fission
2) budding
3) spore formation
4) regeneration
5) fragmentation
6) vegetative propagation
4. There are two types Fission : In fission, unicellular organism splits to form new
organisms. It is a process of reproduction in organisms such as protozoa and many
bacteria.
Binary Fission:
In binary fission, the parent cell divides into two after reaching a point where it
has fully grown. In this process, after splitting parent cell do not exist and two new
organisms are formed. Examples of unicellular organisms that undergo binary
fission are amoeba, paramecium, Leishmania etc.
5. Multiple Fission:
Multiple fission is also a process of asexual reproduction in which parent cell
splits to form many new organisms. This happens when cyst is formed around a
unicellular organism. Inside this cyst the nucleus of an organism breaks in many
smaller nuclei. When the favorable conditions come, the cyst breaks and the
many daughter cells inside it are released. Plasmodium
6. Budding:
The word bud means small outgrowth. In the process of budding, a small
bud grows on the body of parent organism and when the time comes it
detaches itself to form a new organism. Hydra and yeast undergoes the
process of budding.
Hydra reproducing by the method of budding.
Yeast reproducing by the method of budding.
7. •Spore formation
The method of spore formation occurs in both unicellular and multi-cellular
organisms. This process takes place in plants. In spore formation, the parent plant
produces hundreds of reproductive units called spores in its spore case. When
this spore case of the plant bursts, these spores travel in air and land on food or
soil. Here they germinate and produce new plants.
EX: Fungi like Rhizopus, Mucor, etc., are examples of spore formation.
8. Regeneration
Regeneration is an asexual method of reproduction. In this process, if the body of
a parent organism gets cut, then each cut part can regenerate and form a whole
new organism from its body parts. This happens because when the body of an
organism that can undergo regeneration gets cut then the cells of cut body part
divide rapidly and form a ball of cells. These cells then move to their proper places
to form organs and body parts. Regeneration occurs in both plants and animals.
EX: Hydra and planaria undergo regeneration.
Regeneration in Planeria.
9. •Fragmentation
Fragmentation occurs in multicellular organisms, be it plants or animals. In this
process the multicellular organism breaks into two or more pieces on maturation.
Each piece than grows into a new organism. Spirogyra which is a plant and sea
anemones which is a sea animal undergoes the process of fragmentation.
10. Vegetative Propagation:
Vegetative propagation is a type of sexual reproduction in which the 1. Stems
(Runner, tuber, rhizome and &bulb) 2. Roots, 3.Leaves 4.Buds give rises in to
new plant. These are also called vegetative parts of the plants.
11. 1. Modified Stems
(a) Runners
• Horizontal stem which grows or runs over the soil surface.
• The terminal bud sends up new shoots & down new roots from it.
Ex: Strawberries
14. D. Bulbs:
Stem covered with modified leaves which can produce a new plant.
Ex: Onion
E. Food Storing Roots
Roots which are capable of producing a new plant
Ex: carrots & beets
15. 3. Modified Leaves
• Some plants produce Plantlets along the edges of the leaves.
• When they reach a certain size, they fall off and grow into new plants.
Ex: Cacti
16. 4. Modified Buds
Bulbs :
A bulb (an underground bud) has a reduced stem, roots, fleshy leaves swollen
with stored food and a main bud in the centre which grows into a new plant
Ex: Onion, Daffodil, Tulip
17. Vegetative Propagation
Artificial Method of Asexual reproduction most used in agriculture
1. Cuttings- pieces of stem cut from parent kept in water, moist soil or sand
Will put out new roots.
Ex:-Many garden plants like
18. Grafting- Buds or sections are cut from one plant is attached to another that is
already rooted in the soil.
Ex- Roses, Fruit Trees
19. 3. Layering : A branch of a plant is bent over and pinned down into the soil at a
node. It is covered over with soil & eventually new roots & shoots
develop useful for the propagation of woody plants.
Ex: blackberry, gooseberry.
20. 4.Tissue culture-
pieces of the center of stem are removed placed in flasks with growth
medium a whole new plant will develop
21. Advantages of artificial vegetative propagation
•The new plant will have exact features as that of parent plant.
•Fruit trees grown by grafting bear fruit much earlier.
•Plants need less attention in their early years.
•Many plants can be grown from just one parent.
•Can get seedless plants.
Thank you,
Nanditha Akunuri
B.Sc, B.Ed, M.sc, M.A, M.Ed, (P.hD)
Editor's Notes
2. Rhizomes-
modified stems that grow under the soil, produce new roots from stem.
Ex- Grasses
3. Tubers-
shorter, thicker stems that produce an “eye” which is capable of producing a new plant.
Ex-Potato