Liverworts Flashcards
1
Q
What is the phylum?
A
Hepatophyta
2
Q
Why are some liverworts described as thalloid?
A
Because go the flattened shape of their gametophytes
3
Q
How are some of the gametangia structured?
A
elevated on gametophores that look like mini trees
4
Q
What does dorsiventral mean?
A
has two surfaces differing from each other in appearance and structure, as an ordinary leaf
5
Q
What is a dichotomy
A
branching into two equal parts
6
Q
How do liverworts display dichotomy?
A
Antheridia and archegonia both develop from one half of a dichotomy
7
Q
What are the distinctive features of liverworts?
A
Oil bodies in the cytoplasm and antheridia break open irregularly with no distinct cap cell
8
Q
What are isospores?
A
sexual spore with no sexual dimorphism
