ch 30 plant diversity II

Question 1

seed

Answer 1

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

Question 2

heterospory

Answer 2

2 kinds of spores

Question 3

integument

Answer 3

a layer of sporophyte tissue, envelopes and protects the megasporangium

Question 4

ovule

Answer 4

the whole structure, megasporangium, megaspore, and integument

Question 5

pollen grain

Answer 5

microspore developes into this

consists of a male gametophyte enclosed in the pollen walls

Question 6

pollination

Answer 6

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

Question 7

conifers

Answer 7

cone bearing plants, pines, firs, red woods

Question 8

sepals

Answer 8

green and encloses flower before opening

Question 9

petals

Answer 9

brightly colored to attract pollenators

Question 10

stamens

Answer 10

produce microspores that develope into pollen grains containing male gametophytes

Question 11

filament

Answer 11

stalk

Question 12

anther

Answer 12

pollen is produced

Question 13

carpals

Answer 13

megaspore, femal gametophyte

Question 14

stigma

Answer 14

tip that recieves pollen

Question 15

style

Answer 15

leads from stigma to ovary

Question 16

ovary

Answer 16

contains one or more ovules

Question 17

ovules

Answer 17

turn into seeds

Question 18

embryo sack

Answer 18

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

Question 19

cross pollination

Answer 19

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

Question 20

micropyle

Answer 20

pore in the integument of the ovule

Question 21

double fertilization

Answer 21

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

Question 22

cotyledons

Answer 22

one or two seed leaves

Question 23

endosperm

Answer 23

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

Question 24

monocot

Answer 24

one cotyledon

Question 25

eudicots

Answer 25

2 cotyledons