Part 1 The image above shows a liverwort and two successive

Part 1:

The image above shows a liverwort and two successive enlargements of parts of it. Which structures are haploid?

A

B

C

D

Part 2:

Mark all correct statements about “bryophytes”

“Bryophytes” includes species in the phylum Anthocerophyta and other phyla

“Bryophytes” includes species in the phylum Bryophyta and other phyla

“Bryophytes” includes species in the phylum Hepatophyta and other phyla

In the bryophytes, the sporophyte generation is the most conspicuous generation.

In the bryophytes, the gametophyte generation is the most conspicuous generation.

In the bryophytes, the sporophyte remains attached to the gametophyte its entire life.

Bryophytes are land plants

Bryophytes are the group of algae most closely related to land plants

		A
		B
		C
		D

A liverwort (in the Hepatophyta) (Micrograph: greatly enlarged)

Solution

Part I :
A. Thallus - Haploid
B. Female reproductive organ - Haploid
C. Archegonium - Haploid (Egg nucleus - Haploid, after fertilization Zygote - Diploid)
D. Archegoniophore - Haploid

Part II

“Bryophytes” includes species in the phylum Anthocerophyta and other phyla
“Bryophytes” includes species in the phylum Bryophyta and other phyla
“Bryophytes” includes species in the phylum Hepatophyta and other phyla
In the bryophytes, the gametophyte generation is the most conspicuous generation.
In the bryophytes, the sporophyte remains attached to the gametophyte its entire life.