4.3 Living Things Review

A ________ is a role or function an organism performs in the food web in its community.

• habitat

• life cycle

• niche

• adaptation

Which example describes a community?

• The number of mother deer and baby deer living in a forrest.

• A population of gorillas living in a rain forrest.

• A population of different types of cacti living in a desert.

• A population of ducks, fish, lilies, and insects living in a pond.

What are examples of NONliving factors in an ecosystem?

• Sunlight

• Grasshopper

• Soil

• Moss on a tree

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A POSITIVE (good) human influence on ecosystems is ____________.

• Cutting down a forrest

• Hiking on a mountain trail

• Feeding wild animals

• Growing crops without pesticides

Tags

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What is part of a deer's niche?

• The deer eats the cougar.

• The deer is an herbivore (only eats plants).

• The deer eats the frog.

• The deer is a carnivore (only eats meat).

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Using the picture, which of the following is TRUE?

• The rodent eats more than one organism.

• The frog eats the snake.

• The cougar eats the snake.

• The frog is an herbivore (only eats plants).

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Analyze the food web. What is one conclusion you could make?

• The snake is a decomposer.

• There are six carnivores in this ecosystem.

• If the grass died, the whole community would be affected.

• If a bear was added to the food web, the population of insects would die out.

Tags

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Which of the following are examples of populations? (Mark ALL correct answers)

• Flock of geese

• Group of butterflies and ladybugs

• School of fish swimming

• Pets (dogs and cats)

A __________ shows the flow of energy in an ecosystem.

• niche

• adaptation

• food web

• life cycle

Tags

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What decomposer is likely to live in this habitat?

• Worm

• Grasshopper

• Cardinal

• Bear

Tags

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