Environmental Traits Quiz

Why do animals of the same species sometimes look very different?

• They are from different planets.

• They have adapted to different environments.

• They are actually different species.

• They change their appearance as they age.

What is an example of an adaptation that helps huskies survive in cold environments?

• They have developed the ability to fly.

• They have shorter hair.

• They have thick fur.

• They have special scaly skin.

What concept explains why over time all sharks grew to have the same type of skin?

• Survival of the weakest.

• Survival of the fittest.

• Mating of the fastest.

• Evolution of the slowest.

According to the text, what unique traits do some scientists believe sharks have?

• They can live on land and in water.

• They have unique personality traits similar to humans.

• They can change color like chameleons.

• They are immune to all diseases.

What was the reason for the darker moths being harder to see in England during the time when factories produced a lot of smoke?

• The darker moths were smaller in size.

• The tree leaves were covered with black soot.

• The darker moths had a different flying pattern.

• The lighter moths blended in with the smoke.

What happened to the population of lighter moths after laws were passed to reduce pollution?

• They became extinct.

• They were eaten more by birds.

• Their population increased again.

• They changed color to become darker.

Which trait helps cacti to live in dry places?

• Their ability to fly.

• Their waxy texture and spikes.

• Their ability to change color.

• Their ability to produce a lot of smoke.

How do succulents like cacti store moisture differently from other plants?

• In their roots.

• In their fleshy leaves or stems and spikes.

• In their flowers.

• They do not store moisture.

What describes the following:

"The strongest animal is the one that lives over other species"

• The survival of the fittest

• The survival of the warrior

• The death of the weakest

Over thousand of years, all sharks grew to have the same type of...

• teeth

• tail

• skin

• fin