Food Chains and Food Webs Review

What are two main sources of energy for living things?

• the Sun and Moon

• electricity and gasoline

• the Sun and Food

• food and water

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the main difference between a producer and a consumer?

• A consumer makes its own food, but a producer must get food from other living things.

• A producer makes its own food, but a consumer must get food from other living things.

• A producer is part of a food chain, but a consumer is part of a food web.

• A consuer is part of a food chain, but a producer is part of a food web.

Which sentence correctly uses the word photosynthesis?

• Some cameras use a process called photosynthesis to turn light into digital pictures.

• Animals use photosynthesis to turn sunlight, air, water, and nutrients into food energy.

• Plants use photosynthesis to turn sunlight, air, water, and nutrients into food energy.

• Photosynthesis explains how plants and animals compete for natural resources.

Tags

NGSS.MS-LS1-6

Which sequence shows the correct order of living things in a food chain?

• leaves --- deer --- wolf

• Salmon --- Insects --- black bear

• Hamster --- parakeet --- dog

• Berries --- moose --- snake

Tags

NGSS.MS-LS2-3

Why is the base of an energy pyramid wider than the top?

• A) There are usually many more producers than top predators in an ecosystem.

• B) Only a small portion of energy can be passed from a lower level to the level above it.

• Both A and B are true.

• Neither A nor B is true.

Tags

NGSS.MS-LS2-3

Which roup of living things can move energy from consumers at the top of an energy pyramid back to producers at the bottom?

• decomposers

• producers

• consumers

• Nothing can move energy back to the bottom of an energy pyramid.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How would a sudden decrease in the rabbit population on an island affec another species there?

• The population of eagles would probably increase.

• The population of ladybugs would probably increase.

• The population of blue jays would probably decrease.

• The population of foxes would probably decrease.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Owl is related to mouse in the same way that predator is related to ___________.

• herbivore

• prey

• consumer

• decomposer

Why do animals have adaptations?

• There is competition for the same food sources.

• Ecosystems can change.

• speial body parts and behaivors are needed for survival.

• All of the above

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

How are all the species in a food chain similar to links in a metal chain?

• Each species plays the same role as all other species in the food chain.

• If one species is taken away, the whole chain will change or break.

• Each species plays a different role from any other species in the food chain.

• There is an equal population of each speies in the food chain.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4