Sharing the Planet Pre Assessment

Which of the following depends on the other for shelter in order to survive?

• Cat - dog

• Wolf - rabbit

• squirrel - tree

• rabbit - carrot

What is an ecosystem?

• The place an animal lives

• The role that plants and animals have

• The climate and other non living things in a certain area

• The relationship of living and non living things

Which show a path of food energy?

• sun -> fish -> plant -> bear

• bear -> fish -> plant -> sun

• sun -> plant -> fish -> bear

• plant -> fish -> bear -> sun

Which do decomposers provide for plants?

• nutrients

• protection

• Shade

• Shelter

A non-living part of an ecosystem might be...

• Antlers on a deer

• Shade on a person

• A dead leaf

• A nut on a tree

If the sun were completely blocked so that it no longer provided energy to the plants in a lake, what would happen to the remaining life in the lake?

• Only the animals that eat the plants would die

• Only the plants would die

• All of the organisms in the lake would die

• All of the carnivores would die

Describe one way in which bacteria is helpful in the environment.

What is a nonliving thing in freshwater ecosystems?

• Fish

• Frogs

• Dead Plants

• Water

Which of the following describes consumers?

• Organisms which are able to make sugars for energy

• Organisms that must eat other animals for energy

• Organisms that must eat other plants or animals for energy

• Organisms that break down dead bodies and waste

Bacteria, fungi and earthworms are all...

• Scavengers

• Decomposers

• Consumers

• Producers