Ecosystems Interactions

Rabbits depend on native grasses to live. Coyotes, eagles, foxes and snakes depend on rabbits for survival. What would happen if the native grasses die?

• Rabbits will learn to eat insects.

• Rabbits may die in some areas, the predators will move or die off too.

• Rabbits will learn to hunt other animals.

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In which way are nutrients released back into the environment?

• A hummingbird drinks nectar.

• A rabbit runs from a fox.

• An animal dies and decays.

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In the food chain above, the role of the grasshopper can best be described as--

• a consumer that eats producers

• a herbivore that produces its own energy

• an omnivore that eats grasses and small animals.

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In many ecosystems a fungi plays the essential role of

• primary consumer

• secondary consumers

• producers

• decomposers

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Wheat --> Mouse-->Snake--> Kestrel

Which organism represents a tertiary consumer?

• Wheat

• Mouse

• Snake

• Kestrel

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How many consumers get their energy directly from a producer?

• 4

• 5

• 1

• 2

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In this food web, which organisms are producers?

• Carrots, Grains, Grasshoppers

• Carrots and Grains

• Grasshoppers and mice

• Carrots, Grains and Grasses

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Which of these facts best describes how Pelicans depend on other animals to survive?

• They have yellow bills and orange legs

• They make nests in trees

• They scoop fish up in their bills and eat them

• They are often found on beaches.

A student observing birds in a park records some ways that birds interact with living and non living things in their environment. Which of the following is not an interaction with a non living thing

• reacting to morning sunlight by singing

• drinking and taking a bath in a puddle of water

• responding to cold temperatures b fluffing its feathers

• feeding insects to its chicks.

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Which of these living organisms are interacting with another living organism?

• Fire ant digging a tunnel

• Blue Jay drinking water

• A bee collecting pollen

• A hawk circling in the air over a tree

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