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Ecology

Total questions: 30

Worksheet time: 10mins

Name
Class
Date
1.

Which of these are considered a BIOTIC factor?

a)

The Jaguar

b)

Rock

c)

Grass

d)

Sunlight

2.

Which of the following are ABIOTIC factors?

a)

Water

b)

Temperature

c)

Trees

d)

Rocks

3.

More than one of the same species, at the same place, at the same point in time, showing signs of reproduction...

a)

Community

b)

Population

c)

Ecosystem

d)

Biosphere

4.

Two or more populations interacting with each other...

a)

Community

b)

Organism

c)

Ecosystem

d)

Biosphere

5.

Snowshoe Hares being hunted by Lynx, the snow around them, the amount of sunlight reaching the area, and the oxygen they breathe...

a)

Community

b)

Organism

c)

Ecosystem

d)

Biosphere

6.

Which of these would be considered a primary producer?

a)

Grass

b)

Grasshopper

c)

Snake

d)

Eagle

7.

Which of these would be considered a primary consumer?

a)

Grass

b)

Grasshopper

c)

Snake

d)

Eagle

8.

The hawk eating the rabbit or mouse would make the hawk at which trophic level?

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

d)

Quaternary Consumer

9.

The hawk eating the snake would make the hawk at which trophic level?

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

d)

Quaternary Consumer

10.

The vast majority of energy present on Earth is from...

a)

Primary Consumers

b)

Primary Producers

c)

Tertiary Consumers

d)

The Sun

11.

If 9834 kcal of energy is available at the primary producer level, how much would be available at the secondary consumer level?

a)

9834 kcal

b)

983.4 kcal

c)

98.34 kcal

d)

9.834 kcal

12.

Any organism that makes its own food through the process of photosynthesis is called...

a)

A plant

b)

An autotroph

c)

A heterotroph

d)

A consumer

13.

An organism that gains its energy by consuming another organism is called...

a)

A producer

b)

An autotroph

c)

A heterotroph

d)

A consumer

14.

A species removed from its natural environment and placed into a new environment is known as...

a)

A transplant species

b)

A plant species

c)

A prey species

d)

A parasite

15.

A species removed from its natural environment and placed into a new environment that finds great success and becomes problematic is..

a)

A predator

b)

A plant species

c)

An invasive species

d)

A parasite

16.

Which of the following is most likely a Type I survivor?

a)
b)
c)
d)
17.

Which of the following is most likely a Type III survivor?

a)
b)
c)
d)
18.

The dotted line is called the...

a)

Zero Growth Line

b)

Carrying Capacity

c)

J-curve

d)

S-curve

19.

Which of the following are Density-Dependent population limiting factors?

a)

Tornado

b)

Shelter

c)

Forest Fire

d)

Food

20.

Which of the following are Density-Independent population limiting factors?

a)

Volcanic Eruption

b)

Water

c)

Severe Drought

d)

Disease

21.

Mycorrhizae are associations between fungi and the roots of plants. The fungi

provide minerals to the plant, and the plant provides sugars for the fungi.

a)

Mutualism

b)

Competition

c)

Commensalism

d)

Parasitism

22.

Egrets are beautiful white birds that roost on the back of cows to avoid being preyed upon. The cows are not affected..

a)

Mutualism

b)

Competition

c)

Commensalism

d)

Parasitism

23.

Tapeworms inhabit the intestines of dogs. They feed on food the dog is digesting.

While the do not usually kill the dog, they can weaken the dog, making it susceptible to other illnesses.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

24.

The creation of a community for the first time in that area, including the production of viable soil...

a)

Primary Succession

b)

Secondary Succession

c)

Tertiary Succession

d)

Quaternary Succession

25.

An ecological community rebuilds over the course of decades after the second documented time a forest fire completely destroys it...

a)

Primary Succession

b)

Secondary Succession

c)

Tertiary Succession

d)

Quaternary Succession

26.

They're cute, and also a wetlands that lack a heavy presence of trees...

a)

Swamps

b)

Marshes

c)

Reefs

d)

Deserts

27.

In a predator prey relationship, as a prey species increases in population size, the predator population size, after some lag time, usually....

a)

Decreases

b)

Stays the same

c)

Increases

28.

Which organism is responsible for transforming nitrogen gas to an usable form for all the others...

a)

Plants

b)

Animals

c)

Bacteria

d)

Protists

29.

A toxin entering a food web and becoming more concentrated as it ascends in trophic levels is called...

a)

Biology

b)

Biomagnification

c)

Biowarfare

d)

Biodiminishment

30.

YOUR

a)

FACE

b)

FACE

c)

FACE

d)

FACE