Front

Heredity is the passing of traits from __________ to __________.

Back

parents to offspring

Front

The gradual change in species over time is called __________.

Back

Evolution

Front

According to the law of superposition, which layer is the youngest?

Back

Layer A

Front

How can genetic variation be introduced into a population of asexual organisms such as bacteria?

Back

Mutations occur randomly in the bacterial DNA.

Front

A group of similar organisms that can mate with each other and produce fertile offspring is called a __________.

Back

species

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural Selection

Front

What is the term for a change in the DNA sequence of an organism?

Back

Mutation

Front

What is the term for the observable characteristics of an organism?

Back

Phenotype

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

What is the term for the variety of different types of life found on Earth?

Back

Biodiversity