Chpt 25: (Book) Phylogenies and the h/o life

Question 1

fossil

Answer 1

the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.

Question 2

ancestral trait

Answer 2

character/trait that existed in an ancestor

Question 3

deprived trait

Answer 3

character/trait that modified from an ancestral trait

Question 4

phylogenetic tree

Answer 4

graph that shows a summary of the history of (and relationships between) a group of organisms

Question 5

HomoPLASY

Answer 5

when traits are similar for reasons other than shared ancestry

Question 6

convergent evolution

Answer 6

the process whereby organisms not closely related (not monophyletic), independently evolve similar traits as a result of having to adapt to similar environments or ecological niches