#Question id: 4567
#Unit 11. Evolution and Behavior
Charles Darwin was the first person to propose
#Question id: 4568
#Unit 11. Evolution and Behavior
In Darwinʹs thinking, the more closely related two different organisms are, the
#Question id: 4569
#Unit 11. Evolution and Behavior
Which of the following must exist in a population before natural selection can act upon that population?
#Question id: 4570
#Unit 11. Evolution and Behavior
Which pair would probably have agreed with the process that is depicted by this tree?
#Question id: 4571
#Unit 11. Evolution and Behavior
Evolutionary trees such as this are properly understood by scientists to be
#Question id: 4572
#Unit 11. Evolution and Behavior
Of the following anatomical structures, which is homologous to the wing of a bird?