2. co-evolution

Question 1

what is coevolution?

Answer 1

Co-evolution is the process by which two or more species evolve in response to selection pressures imposed by each other

Question 2

what acts a selection pressure?

Answer 2

A change in the traits of one species acts as a selection pressure on the other species

Question 3

where is coevolution seen?

Answer 3

Co-evolution is frequently seen in pairs of species that have symbiotic interactions

Question 4

what can the impact of these relationships be?

Answer 4

The impacts of these relationships can be positive (+), negative (-) or neutral (0) for the individuals involved

Question 5

what are the types of symbiotic interactions?

Answer 5

Mutualism, commensalism, and parasitism are types of symbiotic interactions

Question 6

what does the red queen hypothesis state?

Answer 6

The Red Queen hypothesis states that, in a co-evolutionary relationship, change in the traits of one species can act as a selection pressure on the other species

Question 7

what does this mean?

Answer 7

This means that species in these relationships must adapt to avoid extinction