3.2 Summative Samle

Coyotes are beginning to move back into areas where humans live. They have learned to feed off of human garbage and small pets. This is an example of _______.

• speciation

• population shift

• biodiversity

• adaptation

Answer explanation

This is an ADAPTATION because they have ADAPTED to their new environment.

Which of the following environmental factors caused the changes in the light and dark-colored peppered moth populations in the 1850's?

• water pollution

• smoke and soot in the air

• acid rain

• erosion

An example of an adaptation is (a)  

• humidity
• fossil
• soil type
• camouflage

A certain species of rabbit has huge ears that help it to get rid of body heat. This species of rabbit MOST LIKELY lives in the (a)   biome.

• desert
• tundra
• northern boreal forest
• temperate forest

Match the following scenarios with their outcomes:

• A genetic variation becomes an adaptation when:

• it helps the organism to survive and reproduce

• A species becomes dominant in a region when:

• it causes the species to become the dominant species in the region

• A genetic change leads to speciation when:

• it creates a whole new species of organism

• A genetic trait is present in all organisms of a population when:

• all of the organisms in the population have it.