Evolution of Vocabulary
Terms in this set (14)
The gradual change in a species over time
process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
any change in the DNA of an organism
a behavior or physical characteristic that allows an organism to survive or reproduce in its environment
British naturalist who formulated the theory of evolution by natural selection
Darwin noted different traits in the finches on each of the Galapagos Islands. Each species was best adapted to the food and climate on each island.
Any difference between individuals of the same species.
the variety of organisms that inhabit the Earth
The preserved remains or traces of an organism that lived in the past
gaps in the fossil record that provide proof of evolution
similar structures that related species have inherited from a common ancestor
process where scientists look at the half-life of chemicals contained in rocks around a fossil to determine the age of that fossil
The disappearance of all members of a species from Earth
species on Earth that is surviving and thriving