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ES: Unit 1: Ecosystems

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

Studying the world around us including the physical, biological, and social science.

a)

Biology

b)

Environment science

c)

Ecology

d)

Chemistry

2.

Individual member of a species

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

e)

Biosphere

3.

All of the populations in a habitat.

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

e)

Biosphere

4.

Part of the earth where life exists.

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

e)

Biosphere

5.

Individuals of the same species living in an area and reproducing together.

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

e)

Biosphere

6.

Members of the community and the abiotic factors in a habitat.

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

e)

Biosphere

7.

Any living part of the environment.

a)

Biotic

b)

Abiotic

8.

Which of the following would be considered a biotic factor

a)

Temperature

b)

Precipitation

c)

A cheetah

d)

Soil type

9.

Nonliving part of the environment.

a)

Biotic

b)

Abiotic

10.

Which of the following would be considered an abiotic factor.

a)

Bacteria

b)

Fungus

c)

Plants

d)

Precipitation

11.

Which of the following is not true of producers.

a)

Also known as autotrophs.

b)

Include biotic factors like trees, grass, and algae.

c)

Use sunlight or chemicals to produce their own food.

d)

Obtain energy by eating.

12.

Which of the following is not true about consumers.

a)

Also known as heterotrophs.

b)

Include species like animals, fungus, and bacteria.

c)

Obtain energy from other organisms by eating.

d)

Also known as autotrophs.

13.

A series of steps in which organisms transfer energy by eating or being eaten.

a)

Food chain

b)

Food web

c)

Energy pyramid

d)

Food cycle

14.

A diagram showing a network of feeding interactions.

a)

Food web

b)

Food chain

c)

Energy pyramid

d)

Food cycle

15.

Shows the relative amount of energy available at each trophic level in a food chain or food web.

a)

Energy pyramid

b)

Biogeochemical cycle

c)

Food chain

d)

Food web

16.

Which of the following is correct tracing the flow of energy in an ecosystem

a)

producer ---> consumer

b)

consumer ---> producer

c)

decomposer ---> consumer

d)

consumer ---> decomposer

17.

The shape of a pyramid is useful when showing

a)

The amount of energy passed from one trophic level to the next

b)

The number of organisms in an ecosystem.

c)

The biomass of all the organisms in an ecosystem.

d)

All of these are correct.

18.

Only cycle without an atmospheric component.

a)

Water cycle

b)

Carbon cycle

c)

Phosphorus cycle

d)

Nitrogen cycle

19.

Weathering of rock is an important part of this biogeochemical cycle.

a)

Water

b)

Phosphorus

c)

Nitrogen

d)

Carbon

20.

The process of converting atmospheric nitrogen to usable forms including nitrites and nitrates.

a)

Nitrogen fixation

b)

Denitrification

c)

Evaporation

d)

Respiration

21.

Bacteria are in essential part of this biogeochemical cycle.

a)

Nitrogen

b)

Phosphorus

c)

Carbon

d)

Water

22.

Each step for feeding step within a food chain.

a)

Trophic level

b)

Energy step

c)

Energy pyramid

d)

Food web

23.

Groundwater is also know as...

a)

Surface water

b)

Marine water

c)

Aquifer

d)

Stream

24.

This amount of energy is passed from one trophic level to the next.

a)

.1%

b)

1%

c)

10%

d)

90%

25.

Matter and nutrients move through an ecosystem...

a)

In a straight line

b)

in a cycle

c)

through living organisms only.

d)

through the abiotic environment only.

26.

This climate graph belongs to what biome?

a)

Tropical rainforest

b)

Grassland

c)

Desert

d)

Deciduous forest

27.

This climate graph belongs to what biome?

a)

Tropical rainforest

b)

Grassland

c)

Desert

d)

Deciduous forest

28.

This climate graph belongs to what biome?

a)

Tropical rainforest

b)

Grassland

c)

Desert

d)

Deciduous forest

29.

This climate graph belongs to what biome?

a)

Tropical rainforest

b)

Grassland

c)

Desert

d)

Deciduous forest

30.

Regional ecosystems characterized by abiotic factors like temperature and precipitation and biotic factors like plants and animals adapt to those conditions.

a)

Biomes

b)

Biodiversity

c)

Energy pyramids

d)

Food webs

31.

Responsible for filtering pollutants and preventing floods.

a)

Lakes and ponds

b)

Rivers and streams

c)

Wetlands

32.

Bodies of water surrounded by land.

a)

Lakes and ponds

b)

Rivers and streams

c)

Wetlands

33.

Moving water, originates from ground water or mountain runoff.

a)

Lakes and ponds

b)

Rivers and streams

c)

Wetlands

34.

What percentage of the earths water is freshwater?

a)

3%

b)

50%

c)

100%

d)

33%

35.

Closest to shore, exposed to air and sunlight at low tide.

a)

Intertidal zone

b)

Coastal ocean

c)

Open Ocean

d)

Photic zone

e)

Aphotic zone

36.

Between the low tide mark to the outer edge of the continental shelf.

a)

Intertidal zone

b)

Coastal ocean

c)

Open Ocean

d)

Photic zone

e)

Aphotic zone

37.

Begins at the edge of the continental shelf. Contains the majority of the earths ocean water.

a)

Intertidal zone

b)

Coastal ocean

c)

Open Ocean

d)

Photic zone

e)

Aphotic zone

38.

Portion of the marine biome that is shallow enough for sunlight to penetrate.

a)

Intertidal zone

b)

Coastal ocean

c)

Open Ocean

d)

Photic zone

e)

Aphotic zone

39.

Deeper layer of the ocean that lacks sufficient sunlight for photosynthesis.

a)

Intertidal zone

b)

Coastal ocean

c)

Open Ocean

d)

Photic zone

e)

Aphotic zone

40.

Variety of life in the world or in a particular habitat or ecosystem.

a)

Biomes

b)

Biodiversity

c)

Energy pyramids

d)

Food webs

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