angiosperm exam Flashcards

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1
Q

angiosperm

A

phylum anthophyta
origin is 305 MYA
dominated the creatceous period
flowering plants

examples:

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2
Q

angiosperm traits (7)

A
  • Closed carpels
  • Flowers and fruits
  • Double fertilization =endosperm
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3
Q

two key adaptations of angiosperms

A

flowers and fruit

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4
Q

monocots

A

Massive multiple genome
Example:
grasses
Lillies
Orchids

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5
Q

eudicots

A

“dicots”
examples:
Trees
Shrubs
Herbs
Aradopsis

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6
Q

fruit

A

ovaries become a fruit

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7
Q

flower

A

a specialized shoot with up to four types of modified leaves called floral organs
including:
sepals
petals
stamens
carpels

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8
Q

sepals

A

encloses the flower bud
green color

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9
Q

petals

A

bright colored (to attract pollinators)

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10
Q

Stamen

A

Microsporophylls
Male reproductive organs
Have 2 pollen sacks

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11
Q

Carpel

A

megasporophylls
female reproductive organs

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12
Q

seed

A

develops from ovule within carpel.
Ovary becomes a fruit!!!!!

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13
Q

Pistil

A

composed of a single carpel or two or more united carpels.

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14
Q

Anthrocieum

A
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15
Q

Angiosperm

A

Closed carpels
Flowers
Double fertilization =endosperm

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16
Q

Microgametophyte

A
17
Q

Megagametophyte

A
18
Q
A
19
Q

Sieve tubes

A

The phloem sieve elements that conduct food in angiosperms

They have pores

20
Q

Companion cells in phloem

A

Associated cells of sieve tubes
Very metabolic active

21
Q

Tepals

A

Modified leaves
Many types
Not true petals
Ex: In leaves of tulips

22
Q

Wind pollinated

A

Male and female parts are separated

23
Q

Fruits

A

Mature ovaries
Aids in seed dispersal

24
Q

animal pollinated

A
25
Q

androecium

A

is the sum of all the male reproductive organs

26
Q

gynoecium

A

is the sum of the female reproductive organs.

27
Q

how do angiosperms similar to cycads?

A
28
Q

male gametophyte

A

ploidy:

29
Q

male sporophyte

A

ploidy:

30
Q

female gametophyte

A

ploidy:

31
Q

female sporophyte

A

ploidy:

32
Q

what is the largest phylum?

A
33
Q

order of fertilization
order of polination

A