Environmental Science Semester 1 Study Guide

The energy in most ecosystems comes from

• green plants

• the sun

• wind

• soil

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is an ecosystem?

• affecting a certain population

• all living and nonliving things in an area

• an increase in the Earth's temperature

• organisms that make their own food

Which of the following is one of the main properties used to describe a population?

• number of individuals

• color of individuals

• number of species

• kind of adaptations

The term “biodiversity” refers to

• The number of species living on Earth.

• The number and variety of species living on Earth.

• The number and variety of species that are considered renewable.

• The number and variety of species that live in an area.

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NGSS.MS-LS2-5

Producers make food using ______ to trap the Sun's energy in a process called photosynthesis.

• food chains

• chlorophyll

• cellular respiration

• microscopic organisms

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NGSS.MS-LS1-6

The community of a pond is made up of all the

• abiotic factors in the water.

• resources organisms need.

• habitats in and around the water.

• populations of fish, insects, and other living organisms.

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NGSS.MS-LS2-2

In which of the following relationships is neither species harmed?

• predation

• competition

• parasitism

• commensalism

What term is used to refer to the many feeding relationships that are possible in an ecosystem?

• food web

• food chain

• energy pyramid

• energy transfer

Tags

NGSS.MS-LS2-3

An example of a population is

• all trees in a forest.

• all maple trees in a forest.

• all plants in a forest.

• all animals in a forest.

Which of the following best describes a population?

• members of the same species living in the same place at the same time

• all the red birds in an area

• all types of organisms living in the same place

• all members of the same species