Ecological Communities

Why are bees considered a keystone species?

• The honey they make supports the bear population

• They pollinate flowers that produce fruit which supports the ecosystem

• They sting when threatened

• They live in hives

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Where does the energy start in this food chain?

• Plant

• Sun

• Deer

• Wolf

Which two consumers in this food web are both predator and prey?

• grasshopper and bird

• bird and snake

• snake and owl

• plant and grasshopper

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Which are examples of consumers?

• grass and cows

• turtles and seaweed

• owls and bears

• sun and mushrooms

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A living organism that puts materials from dead  plants and animals back to the soil is called a ____________?

• carnivore

• decomposer

• herbivore

• omnivore

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What do the arrows represent in this diagram?

• who is being eaten

• the flow of energy

• the decomposition of organisms

• what things can change into

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Which of these organisms would receive energy from the snake?

• Plant

• Rabbit

• Mouse

• Hawk

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The term biodiversity means:

• a wide variety of plants and animals in an ecosystem

• only a few types of plants and animals in an ecosystem

• an ecosystem composed mostly of plants

• an ecosystem composed mostly of animals

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The snake is a predator to what prey in this food chain?

• frog

• grass

• grasshopper

• hawk

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What type of organism makes its own food?

• consumer

• carnivore

• producer

• animal

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