Recognizing Adaptations

Question 1

Adaptionism: all called __, the Darwinian view that many traits of organisms are __ adaptations

Answer 1

functionalism, evolved

Question 2

Stephen J Gould and Spandrels:
a. Spandrel in evolutionary biology: a phenotypic characteristic that is a by __ of the evolution of another characteristic rather than being a __ product of adaptive selection
EX. hemoglobin is red as a by product of a protein structure

Answer 2

a. product, direct

Question 3

If a traits has been shaped by natural selection, it __ increase the fitness of organisms that possesses the ___

Answer 3

must, trait

Question 4

Exaptation: the evolution of a function of a gene, __ or structure other than the one it was __ adapted for

Answer 4

tissue, originally