Who Eats What? Food Chains & Food Web

According to the selection, green plants are the only living things 

• That hawks eat.
• that are at teh top of the food chain.
• that depend on the sun.
• that make their own food.

Which of these is closest to the top of its food chain?

• a caterpillar
• a hawk
• a wren
• a leaf

What happened right after humans killed nearly all the Pacific sea otters? 

• Kelp began to disappear.
• Eagles appeared in large numbers.
• Sea urchins disappeared.
• Fisherman caught all of the fish. 

All food chains begin with

• very small animals.
• something nobody else eats.
• green plants.
• an apple tree.

A fact about Antarctica is 

• that it is very beautiful.
• that people do not like to visit there.
• that plants and animals live there.
• tha it is too far to visit.

What is the difference between a food chain and a food web?

• A food web is made up of many food chains
•  a food chain is made up of many food webs.
• food chain only includes animals.
• food webs are include womn.

Why would corn be important to a cat?

• Mice eat corn, and cats eat corn. Without corn, the cat would lose a source of food.
• Mice eat corn, and cats eat mice. Without corn, the cat would lose a source of food. 
• Mice eat cats, and cats eat corn. Without corn, the cats would lose a source of food.
• It is not important.

How is a food chain in the sea different than a food chain on land?

• Food chains in the sea are longer and more difficult to study.
• Food chains in the sea are short and easy to study.
• Food chains on land are longer and more difficult to study.
• Food chains on land are long and easy to study.

Why did the author write this selection?

• to entertain us aout plants and animals.
• to inform us on how living organisms depend on each other.
• to persuade us to grow gardens.
• to entertain us about food chains and food webs.

What inferences can you make about why the sea otter hunters were responsible for so mnay animals disappearing?

• The hunters killed the sea otters, which feed largely on sea urchins. When the otters were almost wiped out, the sea urchins were left to feed on the kelp which was part of other animals food chains. The other animals began to disappear. 
• The hunters captured the sea otters to raise them on a farm.
• The hunters grew sea urchins to feed to the sea otters. 
• The hunters killed the sea urchins so the otters could eat kelp.