Macroevolution Flashcards
1
Q
What is macroevolution?
A
Speciation and development of new species
2
Q
What is the biological definition of a species
A
Individuals with the ability to interbreed and produce viable offspring (fertile offspring)
3
Q
What is the first step of speciation?
A
Population is split up by a genotype and or geographic barrier
4
Q
Second step of speciation
A
Microevolutionary events occur separately.
Different mutations, selective pressures etc
5
Q
3rd step of speciation
A
Changes accumulate to the point of creating reproductive barriers
6
Q
4th step of speciation
A
When groups can no longer reproduce and produce viable offspring which leads to separate species
7
Q
Overview of speciation.
A
Usually takes a lot of Time and many generations
