問題一覧
1
pieces of the center of stem
tissue culture
2
branch of a plant is bent over
layering
3
Buds or sections are cut from one plant is attached to another that is already rooted in the soil.
grafting
4
pieces of stem cut from parent
cutting
5
- Artificial Method of Asexual reproduction most used in agriculture
vegetative propagation
6
has a reduced stem, roots, fleshy leaves
modified buds
7
an underground bud
bulbs
8
produce Plantlets along the edges of the leaves.
modified leaves
9
capable of producing a new plant
food storing roots
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Stem covered with modified leaves
bulbs
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thicker stems that produce an "eye"
tubers
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Modified stems that grow under the soil
rhizome
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Horizontal stem which grows or runs
runners
14
Thjese are also called vegetative parts of the plants.
root stem leaves buds
15
occurs in multicellular organisms
fragmentation
16
asexual method of reproduction. form a whole new organism from its body parts.
regeneration
17
4 types of vegetative propagation
cutting grafting layering tissue culture
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occurs in both unicellular and multi-cellular organisms.
spore formation
19
parent plant produces hundreds of reproductive units called?
spores
20
small bud grows on the body of parent organism. (small outgrowth)
budding
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2 types of fission
binary n multiple
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parent cell divides into two
binary fission
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parent cell splits to form many new organisms.
multiple fission
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it is formed around a unicellular organism.
cyst
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- unicellular organism splits to form new organisms.
fission
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ASEXUAL REPRODUCTION IN PLANTS
fission budding spore formation regeneration fragmentation vegetative propagation
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ASEXUAL REPRODUCTION IN PLANTS INVOLVES ONLY ONE PARENT.
true
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Sperm are deposited
internal fertilization
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Sperm and egg meet
external fertilization
30
2 types of fertilization
internal n external
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2 types of mating
time is everything n mate selection
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likelihood of offspring's survival.
time is everything
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to produce the most successful offspring
mate selection
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growth and specialization
development
35
union of egg and sperm cells.
fertilization
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process by which gametes arrive in the same place at the same time.
mating
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3 stages of sexual reproduction
mating fertilization development
38
human?
intercourse
39
plants?
fertilization
40
fish?
spawning
41
- Method of reproduction requiring genetic contribution from two parents and producing genetically unique offspring.
sexual reproduction