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Ecology Review

Total questions: 46

Worksheet time: 46mins

Name
Class
Date
1.

What does the word "biotic" mean?

a)

Living

b)

Non-living

2.

What does the word "abiotic" mean?

a)

Living

b)

Non-living

3.

A tree is considered...

a)

Biotic

b)

Abiotic

4.

Air is considered...

a)

Biotic

b)

Abiotic

5.

Water is considered...

a)

Biotic

b)

Abiotic

6.

The Sun is considered...

a)

Biotic

b)

Abiotic

7.

Rocks are considered...

a)

Biotic

b)

Abiotic

8.

Bees are considered...

a)

Biotic

b)

Abiotic

9.

Fungi (mushrooms, yeast) are considered...

a)

Biotic

b)

Abiotic

10.

A population is best defined as...

a)

A single organism of a species

b)

A group of organisms from one species

c)

A group of organisms from more than one species

d)

A groups of organisms and the abiotic factors

11.

Ecosystems are best defined as...

a)

A single organism of a species

b)

A group of organisms from one species

c)

A group of organisms from more than one species

d)

The community of organisms and their physical (abiotic) environment

12.

A community is best defined as...

a)

A single organism of a species

b)

A group of organisms from one species

c)

A group of organisms from more than one species

d)

The community of organisms and their physical (abiotic) environment

13.

A community is best defined as...

a)

A single organism of a species

b)

A group of organisms from one species

c)

A group of organisms from more than one species

d)

The community of organisms and their physical (abiotic) environment

14.

All of the deer in the Adirondacks would be considered a/an...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

15.

A single dog would be considered a/an...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

16.

A colony of bees would be considered a/an...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

17.

A pond with different fish would be considered a/an...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

18.

The local plants around the school would be considered a/an...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

19.

The trees, stream, and organisms behind the school would be considered a/an...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

20.

The final consumers in many food webs are...

a)

Autotrophs

b)

hosts

c)

herbivores

d)

carnivores

21.

Producers are also known as...

a)

Autotrophs

b)

Carnivores

c)

Herbivores

d)

Omnivores

22.

Which heterotroph only consumes; plants...

a)

Autotrophs

b)

Carnivores

c)

Herbivores

d)

Omnivores

23.

Which heterotroph only consumes; other animals/eats flesh...

a)

Autotrophs

b)

Carnivores

c)

Herbivores

d)

Omnivores

24.

Which is an example of a herbivore?

a)

Wolves

b)

Grass

c)

Deer

d)

Bears

25.

Which heterotroph consumes either plants or animals...

a)

Autotrophs

b)

Carnivores

c)

Herbivores

d)

Omnivores

26.

Which is an example of a Carnivore?

a)

Wolves

b)

Grass

c)

Deer

d)

Bears

27.

Which is an example of a Omnivore?

a)

Wolves

b)

Grass

c)

Deer

d)

Bears

28.

Which sequence best represents the flow of energy through an ecosystem?

a)

Sun → green plants → herbivores → carnivores

b)

Sun → herbivores → producers → consumers

c)

green plants → carnivores → consumers → herbivores

d)

consumers → carnivores → herbivores → producers

29.

The flow of energy in an ecosystem is best described as energy moving in

a)

one direction from the Sun to the producers and then to the consumers

b)

one direction from a consumer to a producer and then to the Sun as heat and light

c)

two directions between the producers that are present

d)

two directions, back and forth, between the producers and the consumers

30.

Which statement best describes the role of decomposers?

a)

They convert carbon dioxide and water to glucose.

b)

They break down organic compounds into products used by other organisms.

c)

They release oxygen to the atmosphere.

d)

They provide energy for the synthesis of proteins.

31.

Autotrophs might survive when heterotrophs cannot, because autotrophs are able to

a)

exist without respiration

b)

become dormant

c)

make their own food

d)

perform cellular respiration

32.

Which relationship is best described by the following: An insect eats the nectar from the flower. The insect then spreads the flower's pollen to other plants.

a)

Mutualism

b)

Parasite-Host

c)

Predator-Prey

d)

Commensalism

33.

Which relationship is best described by the following: The barnacles attach to the scallop. They gain place to live and the scallop remains unharmed.

a)

Mutualism

b)

Parasite-Host

c)

Predator-Prey

d)

Commensalism

34.

Which relationship is best described by the following: Bear eating a salmon.

a)

Mutualism

b)

Parasite-Host

c)

Predator-Prey

d)

Commensalism

35.

Which relationship is best described by the following: Tapeworms are worms that infest the intestinal lining of vertebrates. Tapeworms steal nutrients from the organism.

a)

Mutualism

b)

Parasite-Host

c)

Predator-Prey

d)

Commensalism

36.

The best explanation for the decrease in the amount of energy transferred to each succeeding level is that much of the energy is

a)

consumed by predators

b)

released as heat

c)

stored within inorganic materials

d)

used in photosynthesis

37.

How much energy is transferred from a lower trophic level to a higher trophic level?

a)

100%

b)

50%

c)

10%

d)

1%

38.

If a producer creates 1000 kcal of energy, how much energy would be available for a primary (1st) consumer?

a)

1000 kcal

b)

500 kcal

c)

100 kcal

d)

50 kcal

39.

If a producer creates 1000 kcal of energy, how much energy would be available for a secondary (2nd) consumer?

a)

1000 kcal

b)

500 kcal

c)

100 kcal

d)

10 kcal

40.

Grass→Deer→Coyotes→Eagles

Based on the food chain above, what is most likely to happen if Eagles disappear?

a)

The Coyote population will decrease

b)

The Coyote population will stay the same

c)

The coyote population will increase

41.

Grass→Deer→Coyotes→Eagles

Based on the food chain above, what is most likely to happen if Coyotes disappear?

a)

The Deer population will increase; the Eagle population will increase

b)

The Deer population will decrease; the Eagle population will increase

c)

The Deer population will increase; the Eagle population will decrease

d)

The Deer population will decrease; the Eagle population will decrease

42.

In a food chain or web, the arrow points in which direction?

a)

In the direction of energy flow

b)

In the direction of of energy flow

c)

In the direction of energy flow

d)

In the direction of energy flow

43.

Which of the following best defines a Predator-prey type relationship?

a)

One organism benefits, one organism is harmed (+,-)

b)

Both organisms benefit (+,+)

c)

One organism benefits, nothing happens to the other (+,O)

d)

One organism consumes the other for energy

44.

Which of the following best defines a Commensalism type relationship?

a)

One organism benefits, one organism is harmed (+,-)

b)

Both organisms benefit (+,+)

c)

One organism benefits, nothing happens to the other (+,O)

d)

One organism consumes the other for energy

45.

Which of the following best defines a Parasite-host type relationship?

a)

One organism benefits, one organism is harmed (+,-)

b)

Both organisms benefit (+,+)

c)

One organism benefits, nothing happens to the other (+,O)

d)

One organism consumes the other for energy

46.

Which of the following best defines a Mutualistic type relationship?

a)

One organism benefits, one organism is harmed (+,-)

b)

Both organisms benefit (+,+)

c)

One organism benefits, nothing happens to the other (+,O)

d)

One organism consumes the other for energy