2.6 Concepts of Species and Speciation (Part 2: mechanisms of speciation)

Question 1

What are the (2) mechanisms of speciation?

Answer 1

Allopatric, sympatric

Question 2

What mechanism of speciation is derived from the greek words for “other” and “homeland”?

Answer 2

Allopatric - allos patra

Question 3

What mechanism of speciation is derived from the greek words for “together” and “homeland?

Answer 3

Sympatric - syn patra

Question 4

What mechanism of speciation happens when two groups are separated into two species by geographic barriers, preventing gene flow?

Answer 4

Allopatric speciation

Question 5

What mechanism of speciation happens when two groups separate into two species while living in the same geographical area?

Answer 5

Sympatric speciation

Question 6

What is the condition of having EXTRA SETS OF CHROMOSOMES as a result of sympatric speciation?

Answer 6

polyploidy

Question 7

What speciation happens when the genetic pool of two populations differ after years of separation, resulting into different species?

Answer 7

Allopatric speciation

Question 8

What speciation happens when members of a species do not mate with other species due to mate choice and preference?

Answer 8

Sympatric speciation