10/15 Angiosperm Flashcards Preview

BIO 101 > 10/15 Angiosperm > Flashcards

Flashcards in 10/15 Angiosperm Deck (35):
1

Antho

Greek for flower

2

4 modified leaves are

Sepals, petals, stamen, carpel

3

another name for sepals

calyx

4

another name for petals

corolla

5

stamen

anther with pollen grain

6

carpel

ovary with ovules

7

angiosperm plant is a sporophyte with...

gametophytes in its flowers

8

angiosperms have a seed that is covered by?

a fruit

9

double fertilization

pollen tube discharges two sperms into the female gametophyte

10

sperm+egg --->

embryo n

11

sperm+ two nuclei --->

endosperm n

12

Ovule develops into what?

seed

13

Ovary develops into what?

fruit

14

Fruit is a what?

ripen ovary

15

what is the benefit of having a flower?

A

16

Function of fruit

protects the seed and aids in dispersal.

17

what is the benefit for improving seed dispersal?

A

18

plants w/o showy flowers and no nectar, are most likely pollinated by?

A

19

how do they improve their chances of fertilization?

A

20

why do not all flowers have colorful petals or sweet fragrances?

A

21

fact

90% of angiosperms are pollinated by animals

22

why pollinated by animals?

A

23

What does the animal get in return?

A

24

How does the animal know that there is a reward?

A

25

Flower diversity is caused by?

pollination (partly responsible)

26

bee pollinated flowers have..?

nectar guides that reflect UV light

27

birds are attracted to...?

bright red and orange but not particular scent

28

beetles are drawn to....?

fruity odors but are indifferent to color

29

night pollinated flowers are..?

larger, light colored and highly scented, some produce the smell of rotting flesh attracting carrion flies and beetles

30

what can you predict you might find in a flowering plant?

A

31

what are the two main groups of angiosperms?

monocots (one seed leaf) and dicots (two seed leaves)

32

fact

humans welfare depends greatly on seed plants

33

the major difference between angiosperms and gymnosperms is the..?

A

34

both gymnosperms and angiosperms have?

A

35

the male gametophytes of flowering plants are also referred to as

pollen grains