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Unit 4 Ecosystems Review

Total questions: 41

Worksheet time: 14mins

Name
Class
Date
1.

The smallest level of an ecosystem is _____________.

a)

population

b)

organism

c)

community

2.

The largest level of an ecosystem is ________________.

a)

biosphere

b)

biome

c)

ecosystem

3.

Which equation correctly represents the process of photosynthesis?

a)

water + glucose + sunlight - carbon dioxide and oxygen

b)

sunlight + water + carbon dioxide = glucose and oxygen

c)

carbon dioxide + water + oxygen = glucose and sunlight

4.

Plants need all of the following to make food. Check all that apply.

a)

carbon dioxide

b)

water

c)

sunlight

d)

soil

5.

True or False: Human life is possible without plant life.

a)

True

b)

False

6.

True or False: Plants get their nutrients from decomposers breaking down the remains of dead animals into the soil.

a)

True

b)

False

7.

An animal that hunts for other animals to obtain their food.

a)

predator

b)

decomposer

c)

producer

8.

A community that consists of living and nonliving organisms.

a)

habitat

b)

ecosystem

c)

biosphere

9.

Humans are an example of _____________ that eat both plants and animals.

a)

carnivores

b)

herbivores

c)

omnivores

10.

Organisms that breakdown the remains of dead organisms and turn it into nutrients.

a)

decomposers

b)

producers

c)

consumers

11.

An animal that is hunted, killed, and eaten as a source of food.

a)

scavenger

b)

producer

c)

prey

12.

ROGER is a name that helps determine if something is a living organism. What does the "G" stand for in the name ROGER?

a)

gather food

b)

germination

c)

grow and develop

13.

ROGER is a name that helps determine if something is a living organism. What does the "O" stand for in the name ROGER?

a)

organized cells

b)

organized community

c)

organized species

14.

True or False: Bacteria and mold are considered an abiotic factor.

a)

True

b)

False

15.

True or False: Shivering, sweating, and feeling thirsty are all examples of homeostasis.

a)

True

b)

False

16.

What is the green chemical in the leaves that absorbs sunlight?

a)

pigment

b)

chloroplast

c)

chlorophyll

17.

The leaves of a plant are made up of very tiny cells called __________.

a)

tissue

b)

chlorophyll

c)

chloroplast

18.

Which is the highest trophic level (least amount of predators)?

a)

tertiary consumers

b)

secondary consumers

c)

primary consumers

19.

Which trophic level comes after the producer level?

a)

decomposers

b)

primary consumers

c)

secondary consumers

20.

The energy from the sun is considered ___________ energy.

a)

radiant

b)

nuclear

c)

physical

21.

This living organism uses energy from the sun to make their own food.

a)

consumer

b)

producer

c)

predator

22.

True or False: Producers are found at the bottom of a food web and hold the highest amount of energy.

a)

True

b)

False

23.

Which is considered a consumer? Select all that apply.

a)

carnivores

b)

herbivores

c)

plant

d)

omnivores

24.

This is a consumer that DOES NOT hunt its prey, but searches for its prey.

a)

scavenger

b)

decomposer

c)

prey

25.

A parasite needs a ___________ to live in or on.

a)

host

b)

predator

c)

habitat

26.

True or False: Bacteria in a humans intestine is considered a parasite.

a)

True

b)

False

27.

The arrows in a food chain or food web show the movement of ______________.

a)

food

b)

nutrients

c)

energy

28.

A habitat MUST HAVE four important components. What are those four MUST HAVES? Select all that apply.

a)

food

b)

water

c)

shelter

d)

space

29.

Climate, sunlight, and temperature are all examples of _____________.

a)

biotic

b)

abiotic

c)

niche

30.

Bees and flowers are an example of which type of symbiotic relationship?

a)

mutualism

b)

commensalism

c)

parasitism

31.

Cattle egrets and cattle are an example of which type of symbiotic relationship?

a)

mutualism

b)

parasitism

c)

commensalism

32.

Ticks on a dog is an example of which type of symbiotic relationship?

a)

parasitism

b)

mutualism

c)

commensalism

33.

A _____________ includes all biomes, humans, plants, animals, biotic, and abiotic factors.

a)

habitat

b)

biosphere

c)

ecosystem

34.

Different species that live together in the SAME area at the SAME time.

a)

habitat

b)

population

c)

community

35.

The SAME species that live in the SAME area at the SAME time.

a)

community

b)

population

c)

ecosystem

36.

True or False: A community and population within an ecosystem are the SAME.

a)

True

b)

False

37.

BONUS QUESTION: In which type of biome is Indiana located?

a)

Grassland

b)

Tundra

c)

Temperate Deciduous Forest

38.

ROGER is a name that helps determine if something is a living organism. What does the "R" stand for in the name ROGER? Select all that apply.

a)

reproduce

b)

reorganize their cells

c)

respond to environment

39.

Sharks and remora fish are an example of which type of symbiotic relationship?

a)

mutualism

b)

commensalism

c)

parasitism

40.

ROGER is a name that helps determine if something is a living organism. What does the "E" stand for in the name ROGER?

a)

energy is produce with sunlight

b)

energy needed to survive

c)

environment needed to survive

41.

Which is an example of a biotic factor interacting with an abiotic factor?

a)

a clownfish living inside a sea anemone

b)

a bee pollinating a flower

c)

a human playing with a cat

d)

a dog digging in the soil