Ecosystem Quiz Review Unit 2

What is an Ecosystem?

• All the living things in the Environment.

• All the nonliving things in the Environment.

• All the living and nonliving things that interact in an area.

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An aquatic ecosystem includes any

• fish and frogs living there

• water environment and the community of organisms living there

• water but no animals or plants

Any type of land ecosystem

• aquatic

• terrestrial

• abiotic

• organism

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Which best explains how organisms in an overpopulated community interact with each other?

• They compete with each other for food and survival.

• They occupy different habitats to avoid overcrowding.

• They work together to gather food for their community.

• They use fewer resources so that there is enough for each organism.

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Plants in the desert are able to store _______ in their roots, stems and leaves.

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A place where an organism lives.

• Terrain

• Habitat

• Community

• Population

What list the non-living parts the ecosystem.

• Water, fish, ducks, rock,

• Sediment, water, mosquito, ducks

• sediment, water, rock, dirt/earth, air,

• dragon fly, rocks, soil, water

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Which of these is an example of one living thing depending on another living thing?

• Cat walking on the sand.

• Bird building a nest in the tree.

• Dog warming in the sunlight

• Squirrel drinking water.

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A hawk flying over a mouse. What word best describes the hawk?

• Decomposer

• Herbivore

• Predator

• Prey

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If all the trees on Earth were destroyed, what would be the effect on humans?

• there will be a lack of food

• there will be a lack of fresh water

• there will be a lack of oxygen

• there will be a lack of carbon dioxide

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