Phylogeny Flashcards
Original traits in a clade are those that __________.
Are found in the ancestral species and are still found now
Derived traits in a clade are those that ___________.
Are new and found within the daughter species
Plants belong in the super group ________. Within that super group, plants are most closely related to the __________ (Phylum).
Archaeplastida
Charophytes
Within this phylum, one group, the _________ are actually more closely related to land plants than other green algae.
Charophyceans
Within the green algae, the ________ formed.
Chloroplast
Some of their descendants adapted to life on land as the _________ and _________ around 475 MYA.
Mosses
Liverworts
These gave rise to the ferns around _________ MYA, which evolved _________ tissues and became woody.
425
Vascular
The various _________ groups arose around 305 MYA, which reproduce by making ________ in _________.
Gymnosperms
Seeds
Fruit
_________ are the most recent group to form at around ________ MYA which reproduce by making ________ in ________.
Angiosperms
140
Pollen
Flowers
A trend in evolution along most of the phylogeny was increasing independence from _________.
Water (for reproduction)
What is some of the evidence that links the charophyceans to land plant origins?
Many key traits in plants appear in algae:
Such as rings of protein
Flagellated sperm
Phragmoplast- cell plate formation