Food Webs

Which group is not represented in the food web?

• producers

• primary consumers

• secondary consumers

• decomposers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What do the arrows in the food chain indicate about the flow of energy in an ecosystem?

• Energy is continuously recycled by the organisms in an ecosystem.

• Energy flows in one direction in an ecosystem, from producers to consumers.

• More of the available energy in an ecosystem is given to large animals than to small animals.

• Organisms at the end of the food chain receive more energy than those at the beginning.

Tags

NGSS.MS-LS2-3

In this energy pyramid, which organism would most likely be in level 2?

• bird

• fox

• caterpillar

• tree

Tags

NGSS.MS-LS2-3

The diagram shows part of an aquatic food web for a stable lake ecosystem in Connecticut. What is the source of energy for the algae?

• waves

• sunlight

• bacteria

• rotifers, water fleas and tadpoles

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram provided shows a marine food chain. In this food chain, the zooplankton are

• primary producers.

• primary consumers.

• secondary consumers.

• tertiary consumers.

Tags

NGSS.MS-LS2-3

The picture shows an energy pyramid. What will most likely happen to the foxes and the wolves if the rabbits are removed?

• The foxes will eat more wolves.

• The foxes will eat fewer wolves.

• There will be more foxes and wolves.

• There will be fewer foxes and wolves.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of these organisms would most likely be found at the top of an energy pyramid?

• clams

• sardines

• sharks

• kelp (seaweed)

Tags

NGSS.MS-LS2-3

The picture shows the energy flow through a meadow community. Which of the following would most likely occur to the populations within the community of organisms immediately after a wildfire burns the environment?

• Hawks would increase and foxes would increase.

• Hawks would decrease and foxes would increase.

• Meadow plants would increase and rabbits would decrease.

• Meadow plants would decrease and rabbits would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Example of a consumer

• worm
• bacteria
• mushroom
• hawk

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Example of a decomposer

• fungus
• mouse
• plants
• frogs

Tags

NGSS.MS-LS2-3