Evidence used to prove that the ancient ancestor of whales was a land-dwelling mammal
Groups of individuals of the same species living in the same place
Naturalist who proposed that evolution happens through natural selection
Timeline of life provided by the remains or imprints of dead organisms
A group of organism that can mate with one another to produce fertile offspring
Process of separation, adaptation, and division
Process consisting of overproduction, inherited variation, the struggle to survive, and successful reproduction
Whales possibly inherited this from a four-legged ancestor
Starvation, disease, competition, and predation
Populations of species are limited by these
Trace remains of an organism that lived long ago, most commonly preserved in sedimentary rock
A spider producing hundreds of of eggs, in which only a few survive
DNA and genetic changes
Darwin did not include these in his ideas about evolution
Scientists compare DNA to support the theory that all species share a common...
Could be used by farmers to produce vegetables that will grow in a specific climate
Characteristic that can be passed from parent to offspring through genes
Process by which populations slowly change over time
Over time, animals may change behavior or physical appearance in response to changes in the environment
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