Adaptations

Changes in a species that enable it to survive changes in the environment are known as ______.

• ecosystems

• adaptations

• biomes

• alleles

A walking stick is an insect that looks like a twig. How does this adaptation help the walking stick to survive?

• It is small so it needs to eat less food.

• It is able to stay cooler.

• It is able to run after prey faster in the trees.

• Its appearance makes it difficult for predators to see it.

How does a species survive a climate change over thousands of years?

• It reproduces more rapidly.

• It hibernates and waits for better climate conditions.

• It makes no changes.

• It adapts to the changing climate.

Suppose a particular predator in an area eats rabbits. If hunters kill off all of those predators, the rabbit population will increase, resulting in more ______ among the rabbits for food and space.

• competition

• extinction

• symbiosis

• cooperation

Which characteristic of a chameleon would best allow it to survive in its environment?

• It has scales to scare off predators.

• It breathes oxygen.

• It can climb trees.

• It can change its body color to blend in with its surroundings.