Chapter 14

Question 1

What is asexual reproduction?

Answer 1

involves just 1 parent
(indentical)

Question 2

What does asexual reproduction do?

Answer 2

can quickly & effiently produce new plants (all identical)

Question 3

what are tubers?

Answer 3

harvested,to be used for food

Question 4

Where are tubers planted?

Answer 4

underground

Question 5

What does sexual reproduction mean?

Answer 5

involves 2 gametes(people)
(genetically different)

Question 6

what are gametes?

Answer 6

a sex cell (egg & sperm cells)

Question 7

what does fertilisation mean?

Answer 7

the fusion of 2 gametes & nuclei

Question 8

What is a zygote?

Answer 8

a cell that is formed by the fusion of 2 gametes

Question 9

What does the zygote contain?

Answer 9

chromosomes from both it parents

Question 10

name the 2 types of gametes that repoduce sexually?

Answer 10

female gamete(large & do not move)
male gametes(smaller & they move)

Question 11

in plants,where is the male gamete found?

Answer 11

inside the pollen grains

Question 12

in plants,where are the female gametes found?

Answer 12

inside a ovule

Question 13

What are the function of a flower?

Answer 13

to make gametes & to ensure that fertilisation takes place

Question 14

what are on the outside of a flower?

Answer 14

sepals (which are green)

Question 15

what does sepals do?

Answer 15

protect the flower when its a bud

Question 16

what are inside the sepals?

Answer 16

the petals

Question 17

what does sepals do?

Answer 17

attract insects to the flower

Question 18

What are inside the petals?

Answer 18

the stamens

Question 19

What is stamens?

Answer 19

the male parts of the flower

Question 20

What are each stamen made up of?

Answer 20

a long filament with a anther at the top

Question 21

What does anther contain?

Answer 21

pollen grains

Question 22

Where is the female part of the flower?

Answer 22

in the center

Question 23

What is a carpel?

Answer 23

the female part of a flower

Question 24

What does a carpel contain?

Answer 24

an ovary

Question 25

what is a ovary?

Answer 25

the part of the flower that holds the ovules

Question 26

What is ovules?

Answer 26

small structures that contain female gametes

Question 27

what is at the top of the ovary?

Answer 27

the style with a stigma at the tip

Question 28

what is the function of a stigma?

Answer 28

to catch pollen grains

Question 29

what does pollination mean?

Answer 29

the transfer of pollen grains from the male part of the plant>>>female part

Question 30

By what is pollination often carried out?

Answer 30

by animals

Question 31

What does wind-pollinated flowers do?

Answer 31

usually produce much more pollen than incsect-pollinated flowers

Question 32

what does wind-pollinated flowers usually not have?

Answer 32

petals

Question 33

What is a seed?

Answer 33

structure that develops from an ovule after fertilisation

Question 34

What does dormant mean?

Answer 34

inactive, metabolic reactions taking place very slowly or not at all