plant reproduction

Question 1

Sepals are

Answer 1

cover and protect flower parts in bud

Question 2

Petals

Answer 2

attract animal pollinators to flower

Question 3

Stamens

Answer 3

produce pollen grains

Question 4

Each stamen consists of

Answer 4

a thin stalk (filament)

– attached to a saclike structure (anther

Question 5

Carpel is

Answer 5

– female reproductive unit

Question 6

Pistil is

Answer 6

a single carpel or group of fused carpels

Question 7

Each pistil has 3 sections:

Answer 7

stigma, where pollen grains land
style, through which pollen tube grows
ovary, containing one or more ovules

Question 8

Pollen forms within

Answer 8

pollen sacs in anther

Question 9

Each pollen grain contains 2 cells which

Answer 9

1 generates two sperm cells1 produces a pollen tube through which sperm cells reach the ovule

Question 10

Structures formed in the ovule:

Answer 10

1 egg
– 2 polar nuclei
– several other nuclei

Question 11

Egg and polar nuclei participate in

Answer 11

fertilization

Question 12

Pollinating Agents (3)

Answer 12

insects birds mammals

Question 13

Reciprocal adaptation

Answer 13

2 species (flowering plant, animal pollinator)
form interdependent relationship affecting oneanother’s evolution