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Biology Unit 1 Review

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.

Which of the following adaptations would a desert organism NOT have?

a)

Active at dawn, dusk, or night

b)

Lack of sweat glands to avoid evaporation

c)

Obtaining water from food

d)

Having thick fur

2.

Which type of organisms breakdown nitrogen compounds in dead organisms and recycle it back into the soil?

a)

Autotrophs

b)

Bacteria

c)

Secondary Consumers

d)

Scavengers

3.

Which of the following is NOT an impact of deforestation?

a)

A decrease in biodiversity

b)

An increase in biodiversity

c)

Adding carbon to the atmosphere

d)

Loss of habitat for other organisms

4.

What is at the end of primary and secondary succession?

a)

Climax Community

b)

Pioneer Species

c)

A fire

d)

Medium sized plants

5.

What does abiotic mean?

a)

Nonliving

b)

Living

c)

Something that was once alive

6.

Where do autotrophs receive their energy?

a)

The soil

b)

Primary Consumers

c)

The sun

d)

Secondary Consumers

7.

What is example of commensalism?

a)

A bird's nest in a tree

b)

A bat eating an insect

c)

A tick sucking the blood of a deer

d)

A bird eating ticks off a water buffalo

8.

What is example of mutualism?

a)

A bird's nest in a tree

b)

A bat eating an insect

c)

A tick sucking the blood of a deer

d)

A bird eating ticks off a water buffalo

9.

What is example of parasitism?

a)

A bird's nest in a tree

b)

A bat eating an insect

c)

A tick sucking the blood of a deer

d)

A bird eating ticks off a water buffalo

10.

Which organism helps remove nitrogen compounds in the soil or in the water?

a)

Fish

b)

Plants

c)

bacteria

d)

Water

11.

What is the role of microorganisms and bacteria in an ecosystem?

a)

To help balance the number of producers and consumers

b)

To help recycle nutrients

c)

To turn solar energy into food

d)

To function as an ecosystem

12.

What is an example of a community?

a)

10 whales

b)

2 dolphins, 5 sharks, and 20 fish

c)

6 frogs with 50 of their tadpoles

d)

1 turtle at the bottom of the lake and 1 turtle at the top

13.

How is 90% of energy in a trophic level lost?

a)

Through movement and heat

b)

Through eating other animals

c)

Through sitting still

14.

What is the tertiary consumers?

a)

The dragonfly, snake, and fox

b)

The frog, mouse and rabbit

c)

The Ladybird and frog

d)

The buzzard and the rabbit

15.

Which of the following is a secondary consumer?

a)

Frog

b)

Rabbit

c)

Buzzard

d)

Dragonfly

16.

In a trophic level, the producers have a total of 40,000 kcal of energy. How much energy do secondary consumers have?

a)

40 kcal

b)

4,000 kcal

c)

40, 000 kcal

d)

400 kcal

17.

In a trophic level, the producers have a total of 15,000 kcal of energy. How much energy do tertiary consumers have?

a)

1,500 kcal

b)

150 kcal

c)

15, 000 kcal

d)

15 kcal

18.

What is commensalism?

a)

Where two organisms benefit from a relationship

b)

Where one organism benefits and the other is unaffected

c)

Where one organism benefits and the other organism is harmed

d)

Where one organism competes with another organism for food

19.

What is mutualism?

a)

Where two organisms benefit from a relationship

b)

Where one organism benefits and the other is unaffected

c)

Where one organism benefits and the other organism is harmed

d)

Where one organism competes with another organism for food

20.

What is parasitism?

a)

Where two organisms benefit from a relationship

b)

Where one organism benefits and the other is unaffected

c)

Where one organism benefits and the other organism is harmed

d)

Where one organism competes with another organism for food

21.

What is the difference between intraspecific and interspecific competition?

a)

Intraspecific is organisms of the same species competing and interspecific is two different species competing

b)

Interspecific is organisms of the same species competing and intraspecific is two different species competing

c)

There is not a difference between the two