1.4.2 Bryophytes

Question 1

what are the most primitive terrestrial plants?

Answer 1

Bryophytes

Question 2

what is unique about the life cycle of bryophytes

Answer 2

the gametophyte (n) is bigger and dominant over the sporophyte

Question 3

what were the ancestors of fern allies?

Answer 3

hornworts

Question 4

how many species of moss?

Answer 4

10-15k

Question 5

what carries the the sporophyte in the mosses?

Answer 5

upright gametophyte

Question 6

what primitive conducting tissues are found in mosses?

Answer 6

hydroids - water

leptoids - sugar

Question 7

what is a key ecological role of moss in the rainforests?

Answer 7

It is responsible for holding wast quantities of water at high altitudes that feed rivers

Question 8

what is the primitive leaf structure of the liverworts called?

Answer 8

thallus

Question 9

do liverworts have separate male and female plants?

Answer 9

yesss

Question 10

describe the photsynthesis anatomy of the hornwort

Answer 10

single large chloroplast with pyrenoids