Adaptations and Natural Selection

What is an adaptation?

• A place where animals live

• A type of food

• A feature that gives an organism a benefit or advantage

Which of the following is a structural adaptation?

• Having fins for swimming

• Herding

• Setting a trap

• Producing milk

What is an example of a behavioral adaptation?

• Producing venom

• Having brightly colored flowers

• Having camouflage

• Herding to find food

Which adaptation involves the body doing something automatically?

• Behavioral

• Structural

• Social

• Physiological

What is a physiological adaptation in mammals?

• Herding

• Setting a trap

• Producing milk

• Having horns

What is a mutation?

• A new type of protein

• A small random change in the genetic code

• A change in the environment

• A different type of cell

How can a mutation affect an organism?

• It always harms the organism

• It has no effect at all

• It always benefits the organism

• It can be harmless, deadly, or beneficial

A trait that helps an organism survive or reproduce is called a(n) __________________.

• mutation

• adaptation

• allele

The idea that helpful traits are passed onto offspring and remain in the population is called what?

• natural selection

• fitness

• adaptation

What evolves?

• individuals

• populations