Bryophytes

Question 1

What are bryophytes

Answer 1

Seedless, non-vascular plants

Question 2

Define evolutionary dead end

Answer 2

Nothing further evolved from them

Question 3

What happens to bryophytes in a dry environment

Answer 3

They go dormant in order to survive

Question 4

What are the 3 lineages of bryophytes

Answer 4

Hornworts, liverworts, mosses

Question 5

Where are bryophytes most common and why

Answer 5

In damp areas as they depend on water for fertilization as they have motile sperm

Question 6

Define Poikilohydry

Answer 6

No mechanisms to prevent desiccation

Question 7

What are characteristics of bryophytes

Answer 7

• NO vascular tissue
• NO true leaves or roots
• Depend on water for fertilization
• Reproduce by spores

Question 8

What do bryophytes have instead of roots

Answer 8

Rhizoids (outgrowths of stem) to anchor

Question 9

Where are the spores of bryophytes produced?

Answer 9

Produced in sporangium of sporophytes

Question 10

Define alteration of generations

Answer 10

Type of life cycle that occurs in those plants that have distinct haploid(n) and diploid(2n) stages

Question 11

True or false: Mosses are homosporous

Answer 11

True