#Question id: 4565
#Unit 11. Evolution and Behavior
Darwinʹs mechanism of natural selection required long time spans in order to modify species. From whom did Darwin get the concept of Earthʹs ancient age?
#Question id: 4566
#Unit 11. Evolution and Behavior
Which of these naturalists synthesized a concept of natural selection independently of Darwin?
#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?