cells Flashcards

1
Q

binary fission

A

two equal daughter cells are produced
parent cell no longer exists
amoeba

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2
Q

budding

A

unequal division
daughter cell buds off the parent and is identical
forms then detaches
hydra

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3
Q

fragmentation

A

stem cutting
cut off a section of the parent and a new root system develops
plant

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4
Q

parthenogenesis

A

reproduction of ovum without fertilization
arthropods, roifers, fish, amphibians, birds, reptiles, NOT MAMMALS
stimulus like electricity causes cell to behave as though fertilize, and polar body rejoins
komodo dragon

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5
Q

spore production

A

asexual spores are specialized one-cell structures that can produce a whole new organisms if conditions permit
bread mold

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6
Q

regeneration

A

regrowth of the tissue in an organism

starfish

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7
Q

angiosperms

A

fruits
flowering plants with seeds enclosed
pollinated by animals, sometimes wind
>250 000 types

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8
Q

gymnosperms

A

cones
naked seeds on surface
pollinated by wind
<1000 types

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9
Q

conifers

A

tree that bears cones, needles

gymnosperms

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10
Q

characteristics of land plants

A

eukaryotic
cell wall (cellulose)
autotrophs (own food)
terrestrial

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11
Q

self pollination

A

the transfer of pollen from the anther of a flower to the stigma of the same flower

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12
Q

cross pollination

A

transfer pollen from one flower to the pistils of another flower
carried by bees eg.

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13
Q

tracheophytes

A

ferns, angiosperms, gymnosperms

vascular plants with tissues for conducting water

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14
Q

anther

A

head of the stamen

produces pollen

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15
Q

calyx

A

all of the sepals

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16
Q

corolla

A

all of the petals

17
Q

diversity!

A

ideal condition resulting from cross pollination

18
Q

filament

A

stalk whic attaches anther to flower

19
Q

ovary (plant)

A

found in base of pistil, female anatomy of flower

contains ovules

20
Q

ovule

A

found in ovaries
flowers eggs
will develop into seeds if fertilized

21
Q

petal

A

gives shape and colour
accessory structure
attract pollinators

22
Q

pistil

A

female organ of flower

contains stigma, style, ovaries, and ovules

23
Q

pollen tube!

A

tube that grows through style when pollen reaches the stigma

transports pollen too ovaries for fertilization

24
Q

stamen

A

male organ of flower

holds anther and filament

25
Q

stigma

A

head of the pistil

receives pollen

26
Q

stalk

A

holds pollen tube

connects stigma to ovaries to allow for fertilization