Ecosystems and Adaptations

What is the best reason that an adult porcupine does not have many predators?

• It has sharp quills
• It moves very slowly
• It can swim in fast moving water
• it migrates when the weather turns cold

Which of the following is an adaptation that helps animals survive in hot, dry climates?

• hunting at night
• thick fur
• layer of fat
• wings

The arctic fox lives the arctic regions of North America.  It's fur changes color with the seasons.  How does the color change help the fox to survive?

• white fur keeps the fox warm in winter
• different colors for different seasons helps it blend into its environment
• white fur would be too hot in the summer
• reddish-brown fur would not be warm enough in the winter

A scientist observed these sea turtles. The scientist most likely said that their legs were adapted for

• swimming
• catching fish
• eating plants
• walking on sand

Is an organism is extinct

• it is alive
• it no longer exists
• it is endangered
• it ate too much

If an insect looks like its environment, this is an example of

• camoflage
• migration
• extinction
• hibernation

Why don't you see bears is winter?

• They are migrating
• They don't like the cold
• they are hiding
• they are hibernating

If there are very few of a species left, they are 

• endangered
• extinct
• producers
• herbivores

A skunk sprays predators with a foul-smelling liquid.  This is an example of 

• competition
• adaptation
• migration
• extinction

What is an adaptation that allows animals to survive in winter?

• predation
• long legs
• hibernation
• webbed feet