A section of DNA that has genetic info for one trait

An adaptation that helps a species blend in with its natural surroundings

How a trait appears or is expressed

A permanent change in the sequence of DNA in a gene

An adaptation in which one species looks like another species

Where is DNA located?

Why do organisms have pairs of chromosomes?

Humans have ___ chromosomes.

A gene for a single trait is called a(n)

The process that creates sperm or egg cells

When a sperm and egg join, ___ occurs.

T/F: Most mutations occur randomly.

What can happen because of mutation?

Variations occur through

In selective breeding, what chooses which traits are passed down?

The ability of an organism to keep its internal conditions within certain limits

A biochemical change that enables a species to increase survival or maintain homeostasis

T/F: A parrot picking up a ball and putting it in a basketball net is an inherited trait

The offspring created through asexual reproduction is

An organism's complete set of genes is its

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