plants

Question 1

what are bryophytes included

Answer 1

mosses, hornworts, liveworts

Question 2

desribe the bryophyte gametangia

Answer 2

• gametangia are structures that pack gametes.
• antherida produces and stores male games
• archegonium produces and stores female gametes.
• allow fertilization

Question 3

what are tracheophytes

Answer 3

the first ever vascular plants

Question 4

what are homosporous plants

Answer 4

ferns are homosporous plants in that they produce a single spore that gives rise to a bisexual gametophytes.

Question 5

heterosporous plants what are they

Answer 5

heterosporous plants produce two types of spores, some yield male gametophytes(microspores) and females (megaspores)

Question 6

• what is the first major seed plant to emerge
• are they homosporous
• how do they transport sperm
• what is pollen
• what is major division
  *

Answer 6

the first major seed plant to emerge was gymnosperm

plants are heterosporous

and transport sperm through pollen, the male gametophyte

conifers

Question 7

what is the interesting eveolutionary change fro gymnosperm to angiosperm

Answer 7

tha adaptation of the xylem

In gymnosperm, the xylem cells are the tracheid cells

where in the angiosperms, they are the vessel elements.

Question 8

anther what is the job

Carpel: what is ovary style and stigma

Petals

Answer 8

anther produces pollen

stigma recieves pollen and style is the pathway leading to the ovary

structures that serve to attract pollinators

Question 9

chlorophytes what are they

Answer 9

the green algae and they hace enough evidence to show that they are common ancestors of modern plants