Introduction and History of Evolutionary Thought

Question 1

Artificial Selection

Answer 1

how humans have modified species over time by breeding those with desirable traits (crops, livestock, pets)
how darwin relaized individuals in population vary in their heritable characteristics

Question 2

Evolution

Answer 2

descent with modification, species accumulate differences from their ancestors as they adapt to different environments over time, a change in the genetic composition of a population from generation to generation

Question 3

extinction

Answer 3

when a species is wiped out, happens in evolution

Question 4

natural selection

Answer 4

process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than do other individuals because of those traits.

Question 5

variation

Answer 5

due to mutations and natural selection acting depending on current emvironment, populations vary in phenotype/genotype