Ecology Semester 2 Exam Review

What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

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What is a herbivore?

• an animal that gets energy from eating other animals
• an organism that gets energy from eating only plants
• an animal that gets energy by eating both plants and other animals
• an animal that eats only herbs

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What is a carnivore?

• an animal that gets energy by eating other animals
• An animal that gets energy by eating only plants
• an animal that gets energy by eating both plants and animals
• an animal that makes its own energy through photosynthesis

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The shrew provides energy for the _______?

• cricket
• grasshopper
• frog
• snake

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Food webs usually contain a wide variety of organisms. Which statement can be used to describe all organisms in a food web?

• They can make their own food.

• They need a source of energy.

• They eat the remains of other organisms

• They eat the producers.

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How does a food chain illustrate the law of conservation of energy?

• It shows how energy stored in food moves from one organism to another.

• It shows how sunlight is converted into the matter making up organisms.

• It shows that the energy used by plants for photosynthesis disappears.

• It shows that energy is destroyed by the last animal in the chain.

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Which of the following organisms is an omnivore according to the food web?

• Wolves

• Deer

• Bears

• Skunks

Organisms that look similar and can produce fertile offspring

• Species
• Fish
• Community
• Trees

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

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

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In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

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