Lecture 14 - Gymnosperms

Question 1

What are seed coats advantageous for?

Answer 1

Survival in severe environmental conditions

Question 2

Seed plants have what for protection?

Answer 2

Tough seed coat

Question 3

Seed plants have stored food supply for what?

Answer 3

The embryo

Question 4

When do Seed plants remain dormant?

Answer 4

In unfavourable conditions

Question 5

What are the dominant plants today?

Answer 5

Seed plants

Question 6

Seed plants: what does seed development involve?

Answer 6

A female gametophyte contained in a megaspore contained in a megasporangium

Question 7

Except for the micropyle, megasporangia are enclosed by what?

Answer 7

Integument’s

Question 8

Seed plants: what becomes the protective seed coat?

Answer 8

Integument’s

Question 9

Seed plants: when does the integuement become the protective seed coat?

Answer 9

After fertilization

Question 10

What do seed plants use to bring together gametes for fertilization?

Answer 10

Pollination

Question 11

Seed plants: what contains the male gemetophyte?

Answer 11

Pollen grains

Question 12

Seed plants: 5 methods where pollination moves pollen grains

Answer 12

Wind, insects, birds, mammals, sometimes water

Question 13

What are the 2 major groups of seed plants?

Answer 13

Gymnosperms and angiosperms

Question 14

What are gymnosperms?

Answer 14

Seeds exposed on the sporophyll (most often a cone)

Question 15

What are angiosperms?

Answer 15

Seeds are enclosed in fruit