Evidences Of Evolution Flashcards
1
Q
What are transitional fossils?
A
They establish the links between species by exhibiting traits common to both an ancestor and its predicted descendents
2
Q
What are Homologous structures?
A
similar structures inherited from a common ancestor
3
Q
What do homologous structures illustrate?
A
Adaptive radiation
4
Q
What is adaptive radiation?
A
whereby several new species rapidly diversify from an ancestral source, with each new species adapted to utilise a specific unoccupied niche
5
Q
What is relative fitness?
A
mutations that may at first appear harmful, but give an advantage if the environment changes
6
Q
What is polymorphism?
A
two or more distinct phenotypes
