ch 30 plant diversity II Flashcards Preview

Bio 121 spring 2014 > ch 30 plant diversity II > Flashcards

Flashcards in ch 30 plant diversity II Deck (25)
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1
Q

seed

A

consists of an embryo and its food supply, surrounded by a protective coat

2
Q

heterospory

A

2 kinds of spores

3
Q

integument

A

a layer of sporophyte tissue, envelopes and protects the megasporangium

4
Q

ovule

A

the whole structure, megasporangium, megaspore, and integument

5
Q

pollen grain

A

microspore developes into this

consists of a male gametophyte enclosed in the pollen walls

6
Q

pollination

A

the transfer of pollem to the part of a seed that contains the ovules

7
Q

conifers

A

cone bearing plants, pines, firs, red woods

8
Q

sepals

A

green and encloses flower before opening

9
Q

petals

A

brightly colored to attract pollenators

10
Q

stamens

A

produce microspores that develope into pollen grains containing male gametophytes

11
Q

filament

A

stalk

12
Q

anther

A

pollen is produced

13
Q

carpals

A

megaspore, femal gametophyte

14
Q

stigma

A

tip that recieves pollen

15
Q

style

A

leads from stigma to ovary

16
Q

ovary

A

contains one or more ovules

17
Q

ovules

A

turn into seeds

18
Q

embryo sack

A

each ovule, which developes in the ovary, contains a female gametophyte

19
Q

cross pollination

A

the transfer of pollen from an anther of a flower on one plant to the stigma on another plant of the same species

20
Q

micropyle

A

pore in the integument of the ovule

21
Q

double fertilization

A

a fertilization event that produces a zygote and the other produces a triploid cell

22
Q

cotyledons

A

one or two seed leaves

23
Q

endosperm

A

tissue rich in starch and other food reserves that nourish the developing embryo

24
Q

monocot

A

one cotyledon

25
Q

eudicots

A

2 cotyledons