Which of the following represents a pre-mating isolation ...

[haleyc112]

Which of the following represents a pre-mating isolation mechanism?
 
  a. zygote invariability
  b. sperm-egg incompatibility
  c. offspring sterility
  d. mechanical incompatibility

Question 2

According to the Biological Species Concept, two groups of creatures are sometimes considered separate species even if they are capable of creating fertile offspring.
 
  a. True
  b. False

[smrerig]

Answer to Question 1

Answer d

Answer to Question 2

Answer a

[haleyc112]

Thanks for the timely response, appreciate it

[aliotak]

Gracias!