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ECOLOGY REVIEW

Total questions: 65

Worksheet time: 22mins

Name
Class
Date
1.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
2.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
3.
What are the nonliving parts of the ecosystem? This includes temperature, water, sunlight, air, and soil.
a)
biotic factors
b)
communities
c)
abiotic factors
d)
microorganisms 
4.

What is the branch of science that deals with the study of living things and their relationship with the environment?

a)

Anthropology

b)

Ecology

c)

Ecosystems

5.

An ecosystem thrives with biotic and abiotic components. An example of an abiotic part of an ecosystem is ______________.

a)

Bacteria

b)

Fungus

c)

Water

d)

Decaying plants

6.

What is a community?

a)

A habitat with abiotic factors

b)

A very small habitat

c)

All the abiotic factors in a specific area

d)

All the different populations that live together in an area

7.

Water, soil, minerals, nitrogen and energy are all essential ______ components of an ecosystem.

a)

abiotic

b)

Materials

c)

Biotic

d)

Environmental

8.

All living things or organisms in an ecosystem are

a)

None

b)

biotic factors

c)

abiotic factors

9.

Which of the following are all abiotic?

a)

Temperature, Light, Rain, Gravity, Heat

b)

Water, Fish, Insects, Lily Plants

c)

Dogs, Meat, Cats, Catnip

d)

Lion, Pride Rock, Warthog, Meerkat

10.

Which of the following are all biotic?

a)

Temperature, Light, Rain, Gravity, Heat

b)

Water, Fish, Insects, Lily Plants

c)

Dogs, Meat, Cats, Catnip

d)

Lion, Pride Rock, Warthog, Meerkat

11.

Which level of organization is depicted in this image?

a)

Population

b)

Community

c)

Ecosystem

d)

Biome

e)

Biosphere

12.

Which level of organization is depicted in this image?

a)

Population

b)

Community

c)

Ecosystem

d)

Biome

e)

Biosphere

13.

Which of the following organism above are considered "Heterotrophic"?

a)

Deer

b)

Fern Plant

c)

Apple Tree

d)

Owl

e)

Skunk

14.

Which of the following organism above are considered "Autotrophic"?

a)

Lemongrass

b)

Fox

c)

Apple Tree

d)

Rose Plant

e)

Sunlight

15.
From where do autotrophs obtain their energy?
a)
The sun
b)
Other organisms
16.

Which category of organism cannot make its own food?

a)

Autotroph

b)

Heterotroph

17.

What type of organism makes its own food?

a)

Autotroph

b)

Heterotroph

18.

What is a lion?

a)

autotroph

b)

heterotroph

19.

What is asparagus?

a)

autotroph

b)

heterotroph

20.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
21.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
22.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
23.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
24.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
25.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
26.
If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?
a)
coyote
b)
insect
c)
lizard
d)
shrub
27.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
28.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
29.
A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?
a)
A
b)
B
c)
C
d)
D
30.
A third-level consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
31.

What amount of percentage does the energy decrease as it goes up the pyramid?

a)

100%

b)

1000%

c)

10%

d)

1%

32.

How does the energy flow in an energy pyramids?

a)

up the pyramid

b)

down the pyramid

33.
Which is the smallest level of an ecosystem?
a)
organsism
b)
population
c)
community
d)
ecosystem
34.
a system of food chains that shows the transfer of energy  is termed
a)
food web
b)
food chain
c)
prey
d)
predator
35.
Biodiversity is 
a)
the variety of species within an ecosystem
b)
a large number of the same species in an ecosystem
c)
an abundant amount of the same primary consumers 
d)
the ability to have an abundant source from the same species
36.

The German biologist ________ came up with the term “ecology”, as he viewed nature as a house with its own economy.

a)

Galileo Galilei

b)

Isaac Newton

c)

Albert Einstein

d)

Ernst Haeckel

37.

Level of organization: Reorder the following from smallest to largest

a)

Individual (Species)

b)

Population

c)

Community

d)

Ecosystem

e)

Biome

1)
2)
3)
4)
5)
38.

Match the following

a)

Species

1.

a group of organisms that are genetically related and can breed to produce fertile young

b)

Population

2.

a group of organisms of one species that interbreed and live together within a defined area.

c)

Communities

3.

groups of populations comprised of many species that live together in a defined area.

d)

ecosystem

4.

a combination of the communities and the physical (non-living) environment.

e)

Biome

5.

large area that has a particular climate, and particular species of plants and animals that

39.

Match the following

a)

Abiotic Factor

1.

nonliving factors (soil, pollution, natural disasters, climate)

b)

Biotics Factor

2.

Living factors (plants and animals)

c)

Habitat

3.

is a place where a particular population lives (anthills, squirrel nests, beaver dams, etc)

40.

What term do ecologists use to describe where an animal lives (an animal’s home)?

a)

Ecosystem

b)

Ecologist

c)

Habitat

d)

Population

41.

Which of the following is NOT a nonliving thing? (which one is living?)

a)

Sun

b)

Rocks

c)

Milk

d)

Wood

42.

What type of organism can make its own food?

a)

A producer (an autotroph)

b)

A consumer (a heterotroph)

c)

A decomposer

d)

All of the above

43.

Organisms that can make their own food do so by the process of:

a)

decomposition

b)

respiration

c)

photosynthesis

d)

scavenging

44.

What type of consumer eats plants?

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Both herbivore and omnivore

45.

What is a food chain?

a)

A representation of an organism’s life cycle

b)

A way to show the feeding relationships between organisms

c)

The sequence of events that occurs during photosynthesis

d)

A way to show how animals interact with nonliving parts of the environment

46.

The first organism in a food chain is ALWAYS a:

a)

producer

b)

consumer

c)

decomposer

d)

Any of the above

47.

How much energy is transferred between trophic levels?

a)

25%

b)

20%

c)

10%

d)

90%

48.

What type of relationship is this?

a)

parasitism

b)

mutualism

c)

commensalism

d)

competition

49.

symbiotic relationship in which both organisms benefit

a)

competition

b)

mutualism

c)

predation

d)

commensalism

50.

symbiotic relationship in which one organisms benefits and the other organism is not affected

a)

competition

b)

mutualism

c)

parasitism

d)

commensalism

51.
Organisms that breaks down and absorbs nutrients from dead organisms 
a)
consumer
b)
trophic level
c)
decomposer
d)
species
52.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
53.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
54.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
55.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
56.

Sheep are herbivorous. What can you infer from this?

a)

They are primary consumers.

b)

They are producers.

c)

They are secondary consumers

d)

They are decomposers.

57.

How is a food web different from a food chain?

a)

Food webs contain only producers, not consumers.

b)

. Food webs do not include decomposers

c)

Food webs contain many different, linked food chains.

d)

Food webs exist in aquatic environments; food chains exist in terrestrial environments.

58.

What can you infer from the fact that the disappearance of just one species can disrupt an entire food chain?

a)

Every food chain depends entirely on a single species.

b)

Food chains are extremely fragile.

c)

Food chains can regenerate on their own.

d)

Food chains would not exist without humans.

59.

This organism is most likely:

a)

A primary consumer

b)

A secondary consumer

c)

A decomposer

d)

A producer

60.
A consumer that wats both plants and animals.
a)
Omnivore
b)
Symbiosis
c)
Habitat
d)
Food Chain
61.
A living thing that breaks down waste and dead things.
a)
Decomposer
b)
Consumer
c)
Food Web
d)
Prey
62.
Which of the following is another word for a plant?
a)
autotroph
b)
heterotroph
c)
consumer
63.
An oxpecker bird eats ticks off of a zebra.  The bird gets food from eating the ticks and the zebra has harmful parasites removed.  Which type of symbiosis is this?
a)
mutualism
b)
parasitism
c)
commensalism
64.
Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?
a)
commensalism
b)
mutualism
c)
parasitiesm
65.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere

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