Unit 1 Lesson 1 Review

An ecosystem is:

• Only the nonliving things that interact in an area.

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

• Only the living things that interact in an area.

• Where only mammals live and interact.

An organism is ​ (a)  

• any living thing.
• any dead thing.
• only reptiles.
• only humans.

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Three main features of a rainforest are: ​ (a)   ​ ​ ​ (b)   ​ (c)  

• Constant heat all year long
• Heavy rainfall
• Strong wind
• Strong sunlight

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What is found on the forest floor?

a

The tops of trees

Vines that hang high

Birds and monkeys

Dead leaves and plant material

Which layer of the rainforest contains most of the rainforest life?

• Emergent Layer

• Canopy

• Understory

• Forest Floor

Ecosystems come in different ​sizes. True or false? ​ (a)  

• True
• False

Pond animals depend on ______ and other animals.

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NGSS.MS-LS2-1

Nutrients are similar to food, but do not provide ______.

• Energy

• Waste

• Water

• Vitamins

​ (a)   Is the study of how living and nonliving things interact with their environments.

• Ecology
• Scientists
• Predictions
• Botanist

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The number and variety of plants and animals is fewer in a rainforest than in any other kind of ecosystem.

• True

• False

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NGSS.MS-LS2-1