Science Unit 7 Review

Which animal would survive best in a arctic ecosystem with cold winters?

• Volcano rabbit that makes a high pitched noise

• Mountain hare with fur that turns white to hide in the snow

• Marsh rabbit that hides in the plants

• Black-tailed jackrabbit with large ears to remove thermal energy

In a grassland ecosystem, there are very few trees because...

• The climate is cool with very little rain.

• The climate is hot with very little rain.

• Predators live in the grasslands with very little rain.

• There is very little rain.

Marine plants use sunlight to make their own food.

• True

• False

Marine animals eat the marine plants and other marine animals.

• True

• False

How does the mouse get its energy in this food chain?

• The mouse eats the grasshopper.

• The mouse eats the snake.

• The snake eats the mouse.

What is missing from this food chain?

• water

• producer

• consumer

• arrows

Which animal is best supported in a desert ecosystem with high daytime temperatures?

• Black-tailed jackrabbit with large ears that remove thermal energy from the body.

• Mountain hare with fur that turns to white to hide in the snow.

• Marsh rabbit that hides in the the plants that grow near water.

• Volcano rabbit that makes a high pitched sound to warn other rabbits.

What do animals do that live in very cold areas to survive the cold conditions?

• They hibernate.

• They stay together.

• They do nothing.

• They migrate.

How will a drought affect the animals in a water ecosystem?

• The fish will die.

• The dragonflies will thrive.

• The squirrels will die.

• The frogs will move.

Which one of these events would most likely cause an increase in animals in a forest?

• Fire

• Cold

• Rain

• Drought