Ecology for Kids

Which of these is is an example of an ecosystem?

• Mammal

• Air

• Forest

• Ecologist

Read this sentence from the article.

Preserving the rainforest is important to all living things.

Which of these do NOT support the author's claim above?

• The rainforest is a major source of Earth's oxygen.

• Rainforest plans are a major source of Earth's food supply.

• The rainforest is an important habitat for animals.

• Rainforest plans are a source of important medicines.

What is the main idea of the article?

• Everyone should study to become an ecologist.

• The destruction of the rainforests is an ecological disaster.

• It is important to protect all of Earth's ecosystems.

• The destruction of the ozone later is an ecological disaster.

Read the sentence from the article.

Ecologists also study the delicate balance of using the environment while protecting it.

Why does the author use the words "delicate balance" in the sentence above?

• Because there are obvious heroes and villains when it comes to protecting the earth.

• Because making decisions about natural resources often involves difficult decisions.

• Because ecology is a delicate subject that some people don't approve of.

• Because people can use tools such as a balance to weigh harmful substances.

Which detail supports the idea that the reader can help protect the environment?

• Put trash in its place

• Trees give us resources and natural beauty

• Now, these forests are gone

• The sea covers four-fifths of Earth's surface

Why is the ozone layer important?

• It releases oxygen into the atmosphere

• It protects us for the sun's radiation

• It creates new rain forests

• It divides the biosphere into ecosystems

What reason does the author give to support banning fishing where necessary?

• Fish are a promising new source of energy

• Some fish species are endangered.

• The sea provides millions of tons of fish

• The ocean provides fish for people.

What has been done to protect the ozone layer?

• Some new medicines have been created

• Some solar-powered appliances have been made

• Some fishing has been banned.

• Some chemicals have been banned.

What is the section "An Ocean of Resources" mostly about?

• Why fishing should be banned

• The problem of overfishing

• How to use and protect the sea

• Animals that live in the sea

Read this sentence from the article.

Four of the Earth's seven continents have traces of what used to be vast tropical rain forests.

Why did the author choose the words traces and vast in the sentence?

• Because their meanings indicate an alarming contrast

• Because they are synonyms

• Because they have similar vowels

• Because they make up for a lack of factual evidence in the text