Speciation Flashcards
0
Q
Name six ways a species becomes extinct
A
Competition Environment New predators New diseases Catastrophic event Cyclical nature
1
Q
Name four ways that fossils are formed
A
Had part of an animal (bones)
Trapped in substance (sap)
Part of an organism that is replaced as it decays
(Footprints)
2
Q
Steps in which a new species is formed
A
They are isolated in two different environments
Good variation of alleles
Evolve to suit there environment
Can’t breed
