Evolution and Natural Selection Flash Review

Evolution and Natural Selection Flash Review

Multiple Choice

Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice

• The hawks eat more dark mice than light mice because the dark mice taste better

• The hawks eat more light mice than dark mice because they can see the light mice more easily

• The hawks eat more dark mice than light mice because they can see the dark mice more easily

Multiple Choice

The extremes of dry and wet weather of the Galapagos Islands cause the food supply to constantly change. During dry years, the food is mainly large, hard seeds, and finches with larger beaks are found in greater numbers. Which statement best explains this observation?

• Dry environments cause mutations in finches

• Finches grow larger when they have more water

• Small finches become smaller during dry seasons

• Large beak size is an adaptation to dry conditions

Multiple Choice

What is suggested by the similarity of early embryos of different species of vertebrates?

• A recent common ancestry

• Evolution from a distant common ancestor

• Similar environments in the past

• No evolutionary relationship between the groups

Multiple Choice

A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

• This is purely by chance and isn't significant

• The extinct dinosaur and modern bird share a common ancestor

• All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today

• Dinosaurs choose to fly, and evolved into birds to escape predation and capture food

Multiple Choice

Darwin theorized that individuals having an advantage due to their traits or abilities will be more likely to survive and reproduce. This theory is known as

• evolution

• speciation

• adaptation

• natural selection

Multiple Choice

There are three species of birds on an island. Bird A has a heavy bill for eating seeds. Bird B has a pointed bill for eating insects. Bird C has a sharp bill for eating both insects and seeds. If all insects on the island suddenly disappeared, which bird or birds would be the LEAST affected?

• Bird A

• Bird B

• Bird C

• Bird A and Bird B