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Ecology

Total questions: 54

Worksheet time: 32mins

Name
Class
Date
1.
Which of the following is an organism that eats only meat?
a)
herbivore
b)
carnivore
c)
omnivore
2.
Which of the following terms describes an area where an organism lives?
a)
community
b)
habitat
c)
area
3.
Which of the following is an organism that eats only meat?
a)
herbivore
b)
carnivore
c)
omnivore
4.
Which of the following terms describes an area where an organism lives?
a)
community
b)
habitat
c)
area
5.
Which is represented by all of the bullfrogs living around a pond?
a)
community
b)
habitat
c)
population
6.
Which is an example of a parasitic relationship?
a)
a bee pollinates a flower
b)
a tapeworm takes nutrients from a dog
c)
an orchid lives in a tree but does not harm the tree
7.
In which type of relationship do both species benefit?
a)
parasitism
b)
mutualism
c)
commensalism
8.
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
9.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
10.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
11.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
12.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere
13.
An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
14.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
15.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
16.
 plants that convert energy from the sun
a)
decomposer
b)
primary consumer
c)
secondary consumer
d)
producer
17.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
18.

What happens when different species try to occupy the same niche?

a)

The species compete with each other

b)

The species cooperate with each other

c)

The species coexist with each other

d)

All of the above

19.

What is a niche?

a)

The habitat that an organism lives in

b)

An organism’s “role” in an ecosystem

c)

A type of consumer

d)

The relationship between a producer and consumer

20.

The first organism in a food chain is ALWAYS a:

a)

producer

b)

consumer

c)

decomposer

d)

Any of the above

21.

What is biodiversity?

a)

The different ways species reproduce

b)

The degree of variation of life on Earth

c)

A way to describe similarities between different species

d)

The process of creating new species

22.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
23.

What type of relationship is this?

a)

parasitism

b)

mutualism

c)

commensalism

d)

competition

24.

symbiotic relationship in which both organisms benefit

a)

competition

b)

mutualism

c)

predation

d)

commensalism

25.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
26.
Organisms that breaks down and absorbs nutrients from dead organisms 
a)
consumer
b)
trophic level
c)
decomposer
d)
species
27.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
28.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
29.

What are plants that convert energy from the sun called?

a)

decomposer

b)

primary consumer

c)

secondary consumer

d)

producer

30.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
31.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
32.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
33.

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

a)

Ecosystem

b)

Ecologist

c)

Habitat

d)

Population

34.

What is a species?

a)

Different animals that compete for the same resources

b)

A group of similar organisms that can reproduce with each other

c)

A group of organisms that live together

d)

A group of organisms that are physically and functionally very different from each other

35.

What is a niche?

a)

The habitat that an organism lives in

b)

An organism’s “role” in an ecosystem

c)

A type of consumer

d)

The relationship between a producer and consumer

36.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
37.

Rabbits introduced into Australia over 100 years ago have become a serious pest to farmers. Rabbit populations increases so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers?

a)

Rabbits have a high death rate.

b)

There are few effective predators.

c)

Additional rabbit species have been introduced.

d)

There is an increase in rabbit competitors.

38.
1. What makes a species invasive?
a)
Moving to a new ecosystem and taking resources from natives 
b)
Not having papers
c)
Species that can't adapt
d)
Plants that take up too much space
39.

What is ecology?

a)

the study of rocks

b)

the study of relationships between organisms and their environments

c)

the study of the ocean

d)

the study of animals and plants

40.

What is the definition of a population?

a)

all individuals of one kind living in one area

b)

one single organism

c)

any living thing

d)

many different organisms living in one area

41.

Biotic means:

a)

living organisms and the remains of living organisms

b)

non-living

42.

What is the definition of a community?

a)

any living thing

b)

one single individual

c)

all the individuals of one kind in one area

d)

all of the populations living in one area

43.

Abiotic means:

a)

living organisms and the remains of living organisms

b)

non-living

44.

You get all of your energy from . . .

a)

Exercise

b)

Food

c)

Sleep

d)

Water

45.

Spiders eat flies. When drawing the food web for this relationship, you should draw the arrow:

a)

FROM the spider, TO the fly

b)

FROM the fly, TO the spider

46.
What are the two parts of an ecosystem?
a)
water and sunlight
b)
all living and nonliving organisms
c)
producers and consumers
d)
soil and nutrients
47.
What is a niche?
a)
the place where a species lives
b)
what a species eats
c)
the role of a species
d)
how a species uses resources
48.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
49.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
50.
 plants that convert energy from the sun
a)
decomposer
b)
primary consumer
c)
secondary consumer
d)
producer
51.
What are the Abiotic factors in this image? 
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
52.

The table shows the various levels of organisms on Earth. If each level is represented by a circle, which figure represent the relationship among these levels of organization?

a)
b)
c)
d)
53.
a)

W

b)

X

c)

Y

d)

Z

54.

The diagram shows a forest environment and several organisms that live there. If the rainfall in the area is less than expected what is the most likely impact on the ecosystem?

a)

More deer and rabbit will immigrate into the area.

b)

Water will become a limiting factor for all organisms

c)

The birth rate will increase for rabbit and bird population.

d)

The organisms will adapt in order to survive with less water.

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