evolution

Question 1

evolution

Answer 1

a change in the inherited characteristics of a population over time through a process of natural selection which may result in the formation of a new species

Question 2

theory of evolution by natural selection

Answer 2

all species of living things have evolved from simple life forms that first developed more than three billion years ago

Question 3

what provides evidence for evolution?

Answer 3

• fossil records
• spread of antibiotic resistance

Question 4

describe the process of evolution through natural selection

Answer 4

• mutation arises with an advantageous trait
• those with trait are more likely to survive
• therefore more likely to reproduce and pass on advantageous alleles
• repeats over multiple generations