Free Printable Ecology Review

1.

Ecology is the study of .

a)

life

b)

Interactions among organisms and their environments

c)

interactions among organisms

d)

how traits are passed from parents to offspring

2.

Which of the following is abiotic?

a)

A tree in a forest.

b)

Wood from the tree on the forest floor.

c)

A termite on the tree.

d)

The soil the tree is growing in.

3.

Which of the following is biotic?

a)

Food

b)

Water

c)

Air

d)

Light

4.

What is made up of all the populations in an area?

a)

Habitat

b)

Niche

c)

Community

d)

Ecosystem

5.

A close, ongoing relationship between species in which at least one is benefiting and the other is not helped or harmed.

a)

Commensalism

b)

Symbiosis

c)

Predator & Prey

d)

Mutualism

6.

An ongoing relationship in which one organism benefits and the other is harmed.

a)

A. Predator & Prey

b)

B. Mutualism

c)

C. Commensalism

d)

D. Parasitism

7.

There are birds that eat the food from between the teeth of alligators, leaving the alligators with clean teeth and the birds with a meal. What type of ongoing relationship is this?

a)

A. Predator & Prey

b)

B. Mutualism

c)

C. Commensalism

d)

D. Parasitism

8.

Which of the following is a predator and prey relationship?

a)

A. Cow and grass.

b)

B. Vulture and a dead lion.

c)

C. Tick and a deer.

d)

D. Spider and a fly.

9.

Some limiting factors that affect populations include lack of food, lack of water, lack of living space, and the spread of disease.

a)

True

b)

False

10.

An organism’s habitat is where it lives.

a)

True

b)

False

11.

Tell if the item is an abiotic factor or biotic factor.....

Tree Frog

a)

Abiotic

b)

Biotic

12.

Tell if the item is an abiotic factor or biotic.....

Sandy Soil

a)

Abiotic

b)

Biotic

13.

The living world is organized in levels. Biotic and abiotic factors also can be arranged into levels of biological organization. Put the words below in order from the least complex to the most complex

a)

Community, Organism, Biome, Population, Biosphere, Ecosystem

b)

Organism, Population, Community, Ecosystem, Biome, Biosphere

c)

Organism, Biome, Population, Community Biosphere, Ecosystem

14.

In the country of Georgeville there is an average of 4.5 births for every 3.3 deaths. That means the population of Georgeville is most likely

a)

Increasing

b)

Decreasing

c)

Staying the same

15.

If there are not enough predators and too many prey, the prey population may eventually starve.

a)

True

b)

False

16.

A common food web in a grassland would be grass > mice > snake > hawk. If there were an increase of mice in the ecosystem, what would be directly affected? (hint. Multiple answers)

a)

snake

b)

hawk

c)

mice

d)

grass

17.

According to the food web, which of the following organisms can be classified into more than one trophic level?

a)

grasshopper

b)

owl

c)

rabbit

d)

frog

18.

What's missing from the food web?

a)

decomposers

b)

producers

c)

consumers

d)

autotrophs

19.

Which of the following correctly lists the flow of matter in the food web above?

a)

plants, animals, nematodes, arthropods

b)

animals, nematodes, arthropods, plants

c)

plants, nematodes, arthropods, animals

d)

nematodes, plants, arthropods, animals

20.

Based on the food web shown above, which of the following is most likely responsible for the rabbit population trend as shown in the graph?

a)

increase in amount of grass

b)

decrease in amount of grass

c)

overpopulation in squirrel population

d)

increase in rabbit population

Ecology Review

Total questions: 20

Worksheet time: 14mins

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