Evolution Pt 2

Question 1

“If you can breed together, you are the same species”

Answer 1

Biological Species Concept

Question 2

Problems with the Biological Species Concept?

Answer 2

• Doesn’t work with extinct breeds
• Doesn’t work with asexual reproducing animals
• Doesn’t work with isolated populations

Question 3

Morphological Species Concept

Answer 3

Based on appearance

Question 4

Problems with the Morphological Species Concept

Answer 4

-Doesn’t work in varied populations

Question 5

What is the formation of a new species called?

Answer 5

Speciation

Question 6

What must be reproductive isolation; no gene flow.

Answer 6

Speciation

Question 7

Define: Pre-mating isolation

Answer 7

Prevents parents from mating

Question 8

Pre-mating isolation types

Answer 8

• Geographic isolation
• Behavioral behaviors
• Alignment of breeding periods

Question 9

Define: Post-mating isolation

Answer 9

Prevents offspring from mating

Question 10

Post-mating isolation types

Answer 10

• Reproductive incompatibility
• Hybrid Sterility
• Chromosomal incompatibility

Question 11

How many modes of speciation are there?

Answer 11

3

Question 12

Allopatric speciation

Answer 12

geographic isolation

Question 13

Parapatric speciation

Answer 13

specialization for different environments

Question 14

Live in exact same area but, dont breed. Usually behavioral.

Answer 14

Sympatric speciation

Question 15

Deme

Parapatric Speciation

Answer 15

part of the population that is specialized for a different environment