What might happen if you remove a primary consumer from the ecosystem?

The number of plants would increase.

There would be more food for secondary consumers.

The number of primary consumers would increase.

The number of secondary consumers would increase.

Where do decomposers go in your food chain?

they don't belong in a food chain

What might occur when a carnivore is removed from the food web?

A) Nothing. Organisms cannot impact things below them on the energy pyramid.

B) Primary consumers will overpopulate.

C) Plants will be over browsed by herbivores.

The diagram is intended to show relationships in an ecosystem. What do the arrows represent?

The direction of the energy flow

The direction of population migration

Progressively smaller organisms

Why is there a limited amount of energy that can be passed on to the next feeding level?

Organisms use some of the energy they get from eating.

There is never enough sunlight available.

Some ecosystems have limited resources.

All the energy is available to be passed on.

What may happen if the snowshoe hare was removed from the food web pictured?

The shrew population would decrease due to being only hawk food source.

The insects in the habitat would increase.

The willow tree population would decrease.

Foxes would dies due to no food source.

Identify the correct food chain that demonstrates the energy flow of this food web

Plant > Caterpillar > Bluebird > Eagle

Eagle >Lizard>Caterpillar>Plant

Identify the correct food chain that demonstrates the energy flow of this food web.

Eagle> Lizard>Caterpillar>Plant

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

There would be a decrease in the grass/flowers population.

There would be a decrease in the small bird population.

There would be a decrease in the mice population.

There would be an increase in the grass/flowers population.

In this food chain, what will happen if the frogs become extinct?

The grasshoppers will increase.

The grasshoppers will decrease.

The eagles will remain the same.

If a disease strikes the hawks in the food chain grass -> rabbit -> snake -> hawk, what will be the initial effect on the populations of snakes and rabbits?

The population of snakes will increase. The population of rabbits will decrease.

The populations of snakes and rabbits will decrease.

The populations of snakes and rabbits will increase.

The population of snakes will decrease. The population of rabbits will increase.

What most likely caused the hawk population to increase over the first month shown in the following graph?

A higher than normal population of snakes.

A disease in the population of rabbits.

An increasing population of grasses.

A decreasing population of snakes

Food Webs

Authored by Preetha Sathyanath

Biology

5th - 8th Grade

NGSS covered

Used 2+ times

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50 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following organisms is a herbivore.

butterfly

snake

fox

ladybird

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following organisms is a carnivore.

greenfly

titmouse

mouse

buzzard

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The owl receives energy from which organisms?

grasshopper and mouse

mouse and rabbit

rabbit and butterfly

butterfly and frog

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which organism is the top predator in this food web?

leopard seal

killer whale

elephant seal

crabeater seal

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many predators does the squid have?

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Name the producers in this food web.

seagull and fish

penguin and crab

phytoplankton and seaweed

seaweed and zooplankton

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The krill is eaten by which consumer?

blue whale

phytoplankton

leopard seal

penguin

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Food Webs

Which of the following organisms is a herbivore.

Which of the following organisms is a carnivore.

The owl receives energy from which organisms?

Which organism is the top predator in this food web?

How many predators does the squid have?

Name the producers in this food web.

The krill is eaten by which consumer?

Which consumer receives energy from the leopard seal?

What type of consumer is the shrew?

What type of consumer is the impala?

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