The document discusses how to set up an experiment growing corn, pea, and bean seeds. Clear cups are filled with vermiculite and a paper towel, and seeds are planted according to instructions. Corn seeds are planted with the white side facing the cup. Pea seeds are wrinkled initially and become smooth as they absorb water. Bean seeds are planted with the hilum facing down. Photographs show the progression of roots and stems emerging for each seed type.
All you need to know about angiosperms, the parts of a flower, sexual reproduction in plants and types of fruits.
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All you need to know about angiosperms, the parts of a flower, sexual reproduction in plants and types of fruits.
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We have Dry Green Peas for export from Argentina. Up to 1700 MT. Condition: Dry. Origin: Argentina
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Easy crops for beginning seed savers (tomatoes, peas, beans and lettuce), including plant pollination, isolation, seed harvest and processing. Video is here: http://www.youtube.com/watch?v=ngW0eOwkoIM
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In this presentation you have seen all about of green peas and its nutrition facts. If you are looking suppliers and exporters of fresh green peas then you can contact with tradeindia. Which have large listing of suppliers and exporters of green peas.
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
Reproduction is the capacity of all living things to give rise to new living things. It includes the transmission of hereditary material from the parent/parents.
The two types of reproduction are:
Asexual Reproduction
Sexual Reproduction
ASEXUAL REPRODUCTION
Is the simplest form of reproduction. Occurs in plants, animals, bacteria, and protists Requires one parent. Is more reliable than sexual reproduction. Doesn’t allow for any type of genetic variation.
TYPES
Sporulation
Fragmentation
Regeneration
Binary Fission
Budding
Vegetative propagation
SPORULATION
Spore is a reproductive cell that produces a new organism.
Spores are unicellular if conditions are right a spore will develop into a new individual.
They can be carried by the wind, water, or animals
FRAGMENTATION
When a organism is broken into more than one part.
Organism must have good regeneration abilities.
Create many new organisms quickly.
REGENERATION
An organism can replace/re-grow an injured or lost part
Regeneration in plants from
Roots
Stem
leaf
Regeneration in animals
For simple organisms
No vertebrates have this power
Examples are starfish and the salamander
BINARY FISSION
One parent dividing into two by mitosis
Offspring are always genetically identical
Cells may stay close together to form filaments or colonies
Examples-Bacteria and Amoebas
BUDDING
Form on part of the parent by growing an outgrowth which then detaches
Example- is Hydra and Yeast
Offspring will always be genetically identical to the parent
VEGETATIVE PROPOGATION
Plant parts make new plant
Reproduction is very quick
Disadvantage: many plants grow close to each other
Bulbs
– Underground stem
– Surrounded by colorless leaves
– Colorless leaves protect the bulb
– The green leaves store the food
Rhizomes
– Underground stem
– They store food for new plant
– At the end of Rhizomes nodes
Runners(strawberries)
– They are above ground.
– Stems – Nodes form at the end of Runners
– They grow outward
Tuber (potatoes)
– Underground stem
– Stores food
– The nodes eat the tuber
– Potatoes have eyes / buds to make new tubers and or reproduce
Grafting
– Surgically connecting two similar plants
– Ex. Apples – Not done naturally
Cutting
– Cutting off a stem or leaf to reproduce a new plant
– Must be in wet or moist area
– Combination of regeneration and fragmentation
– Not done naturally
Cloning
What is cloning?
Cloning is the creation of an organism that is an exact genetic copy of another. This means that every single bit of DNA is the same between the two!
How does one go about making an exact genetic copy of an organism? There are a couple of ways to do this: artificial embryo twinning and somatic cell nuclear transfer.
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The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
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2. SETTING UP THE SEEDS - VERMICULITE
To set up the experiment:
• Use clear cups and insert a
brown paper towel (seed roots
show up better) into a plastic
cup.
• Fill cup with vermiculite making
sure the paper towel is pressed
up against the clear cup.
• Put seed between the cup and
paper towel (be careful to place
each seed according to the
directions that follow).
• Add water, just enough to keep
the paper towel moist. .
• Place in a sunny spot in the
classroom.
Purchase Vermiculite at any home improvement store in the garden section. It is
a substance that will hold the water but not absorb the water. It contains no
nutrients and will not aid the plant in growing past seed germination.
3. CORN – PARTS OF THE SEED
Image from: http://analytical.wikia.com/wiki/Endosperm
Photo from EDU 615, Science; taken by Carrie Reynolds
4. CORN
Plant the white side of
the corn towards the
cup as this is where the
seed starts the root.
Photo from EDU 615, Science; taken by Carrie Reynolds
5. CORN
Photos from EDU 615, Science; taken by Carrie Reynolds
6. CORN
The corn seed begins to germinate.
Some seeds will not germinate like this seed. This is a good opportunity begin
a discussion of why this seed did not germinate.
Photos from EDU 615, Science; taken by Carrie Reynolds
7. CORN
Stem is starting to grow
Roots are starting to grow
Photos from EDU 615, Science; taken by Carrie Reynolds
8. CORN
Stem continues to grow
Roots continue to grow
Photos from EDU 615, Science; taken by Carrie Reynolds
9. CORN
The stem continues to grow
The roots continue to grow
Photos from EDU 615, Science; taken by Carrie Reynolds
10. PEAS – PARTS OF THE SEED
Image from: http://www.seedbiology.de/structure.asp
11. PEAS
The pea seeds are wrinkled prior
to planting. Make sure to point
this out to the students so they
can make the observation of the
seed absorbing water and
becoming smooth.
Photo from EDU 615, Science; taken by Carrie Reynolds
12. PEAS
Notice how the
pea seed is
wrinkled.
Photo from EDU 615, Science; taken by Carrie Reynolds
13. PEAS
As the seed begins to
germinate it takes up water and
the seed loses it’s wrinkles and
becomes smooth.
Photos from EDU 615, Science; taken by Carrie Reynolds
14. PEAS
The root and stem
break through the
seed coat and
begins to grow.
Photos from EDU 615, Science; taken
by Carrie Reynolds
15. PEAS
The root begins to grow down while the stem
begins to grow up.
STEM
ROOTS
Photos from EDU 615, Science; taken by Carrie Reynolds
16. PEAS
Stem continues to grow
Roots
continue
to grow
Photos from EDU 615, Science; taken by Carrie Reynolds
17. PEAS
The stem begins to develop leaves.
The roots continue to grow.
Photo from EDU 615, Science; taken by Carrie Reynolds
18. PEAS
The stem continues to grow leaves.
The roots continue to grow.
Photo from EDU 615, Science; taken by Carrie Reynolds
19. BEANS
Testa or seed
coat - provides
protection to the
seed prior to
germination.
Photo from EDU 615, Science; taken by Carrie Reynolds
Images from: http://herbarium.desu.edu/pfk/page1/page2/page2.html and
http://qinglovesbiology.blogspot.com/2011/04/34-plant-fertilisation.html
20. BEAN - PARTS OF THE SEED
Cotyledon – provides
the nutrition to the
developing plant.
Radicle or
embryonic root
– Develops into
the root of the
plant.
Plumule or shoot -
Image from: http://homeschoolblogger.com/preparation/727274/
develops into the first set of
leaves as the plant grows.
21. BEANS
Plant with the hilum
facing down.
Photo from EDU 615, Science; taken by Carrie Reynolds
22. BEANS
The embryonic root begins it’s downward decent.
Photos from EDU 615, Science; taken by Carrie Reynolds
23. BEANS
The testa
(seed coat)
softens as
water is
absorbed and
the stem and
roots break
through the
seed coat.
Photos from EDU 615, Science; taken by Carrie Reynold
24. BEANS
The stem continues to grow
The roots
continue to
grow
Photos from EDU 615, Science; taken by Carrie Reynolds
25. BEANS
The seed coat
begins to
become dry
allowing the
stem and
plumule to
break through
the coat and
grow.
The roots
continue to
grow.
Photos from EDU 615, Science; taken by Carrie Reynolds
26. BEANS
The plumule
have developed
into the first true
leaves of the
plant.
Notice the
cotyledons, they
are providing the
nutrition the plant
needs to begin to
grow. Soon they
will become
depleted, dry up
and fall off the
plant.
Photos from EDU 615, Science; taken by Carrie Reynolds
27. BEANS
The cotyledons will soon dry up and fall off the plant.
Photo from EDU 615, Science; taken by Carrie Reynolds