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Ecosystems

Total questions: 45

Worksheet time: 46mins

Name
Class
Date
1.

Temperature, sunlight, oxygen, water, and soil are all _______ parts of an ecosystem

a)

alive

b)

biotic

c)

abiotic

d)

living

2.

A living or once-living organism in an ecosystem is a

a)

population

b)

biotic factor

c)

abiotic factor

d)

community

3.

A producer is

a)

an organism that eats food for energy

b)

an organism that is able to survive without energy

c)

an organism that eats only meat

d)

an organism that makes its own food for itself and consumers

4.

Identify all 3 of the producers

a)

mushroom

b)

berry bush

c)

rabbit

d)

fern

e)

algae

5.

Select all the key ingredients a producer needs in order to go through photosynthesis

a)

oxygen

b)

carbon dioxide

c)

sunlight

d)

dirt

e)

water

6.

A consumer is....

a)

an organism that breaks down dead plant and animal matter

b)

an organism that eats other living things for energy

c)

an organism that makes its own food

d)

a model that shows energy transfer within an ecosystem

7.

Identify which organism is a consumer

a)

tree

b)

ant

c)

soil

d)

mushroom

8.

Whose role in the ecosystem is to break down dead/decaying plant and animal matter to put nutrients back into the soil?

a)

producers

b)

consumers

c)

decomposers

d)

top consumers

9.

Which example is NOT a decomposer

a)

mushroom/fungi

b)

mold

c)

bacteria

d)

ladybug

e)

earthworm

10.

I have all sharp teeth and only eat meat, I am a

a)

herbivore

b)

carnivore

c)

omnivore

d)

terrivore

11.

I have all flat teeth and only eat plants, I am a

a)

carnivore

b)

detrivore

c)

omnivore

d)

herbivore

12.

I have both sharp and flat teeth and I eat both plants and animals, I am a

a)

omnivore

b)

carnivore

c)

herbivore

d)

sarcivore

13.

giraffe

a)

omnivore

b)

herbivore

c)

carnivore

14.

lion

a)

omnivore

b)

herbivore

c)

carnivore

15.

raccoon

a)

omnivore

b)

herbivore

c)

carnivore

16.

The main source of energy for all life on Earth comes from

a)

producers

b)

the soil

c)

the sun

d)

water

17.

Sunflower--->Mouse--->Snake--->Owl--->Fungi

Select two (2) answers that describe the mouse in the food chain.

a)

omnivore

b)

producer

c)

herbivore

d)

secondary consumer

e)

primary consumer

18.

What trophic level is the snake?

a)

secondary consumer (SC)

b)

producer (P)

c)

top consumer (TC)

d)

primary consumer (PC)

e)

tertiary consumer (3C)

19.

What do the arrows in a food chain/web represent?

a)

the direction in which the organisms are traveling

b)

the flow of energy among organisms in an ecosystem

c)

who has more organisms in an ecosystem

d)

the flow of carbon dioxide as it is passed through an ecosystem

20.

What happens to the amount of energy as you move up trophic levels in the energy pyramid?

a)

energy stays the same

b)

energy increases

c)

energy decreases

21.

Who is prey to the frog?

a)

Mouse

b)

Snake

c)

Owl

d)

Grasshopper

22.

Who is the predator of the mouse?

a)

Rabbit

b)

Snake

c)

Fox

d)

Grasshopper

23.

Identify the three (3) primary consumers in the food web

a)

grasshopper

b)

frog

c)

dragonfly

d)

butterfly

e)

fruit fly

24.

Identify the three (3) secondary consumers in the food web

a)

Python

b)

Rat

c)

Corn

d)

Frog

e)

Dragonfly

25.

Identify the omnivore in the food web

a)

Rabbit

b)

Owl

c)

Mice

d)

Birds

26.

Where does the owl get its energy from?

a)

Mice and birds

b)

Rabbit and fox

c)

Grasshoppers and mice

d)

Grasses and birds

27.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
28.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
29.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.
30.
Which of the following best describes the small bird in the food web above?
a)
primary and secondary consumer
b)
secondary and tertiary consumer
c)
primary consumer only
d)
secondary consumer only
31.

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

a)

invasive (non-native) species

b)

mutualism

c)

parasitism

d)

commensalism

32.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
33.

A symbiotic relationship where one organism benefits and the other is harmed

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Symbiosis

34.

A relationship in which one species, the predator, feeds on the other species, the prey

a)

symbiosis

b)

predation

c)

photosynthesis

d)

commensalism

35.

A relationship where two organisms compete with one another for a limited resource such as food, shelter, water, mating and sunlight.

a)

parasitism

b)

predation

c)

competition

d)

mutualism

36.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
37.

A tapeworm feeds on the blood and intestines of a cat harming the cats health

a)

mutualism

b)

parasitism

c)

commensalism

d)

competition

38.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
39.

What type of symbiosis? Skunks often live in burrows that have been dug and abandoned by woodchucks. The woodchucks moved on to a new home and aren't bothered by the skunks

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

40.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
41.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
42.

A species that is not native to an area and causes harm to an ecosystem is called:

a)

Native Species

b)

Natural Species

c)

Invasive Species

d)

Symbiotic Species

43.
Why do the populations of invasive species grow so quickly? 
a)
Invasive Species are native to an area. 
b)
Invasive species are prey to many animals.
c)
Invasive species have no predators.
d)
Invasive species keep the ecosystems in equilibrium.
44.
Click on the map to help answer this question: What can we predict about the population of Feral Swine for the year 2016? 
a)
There will be less feral swine in 2016 than there were in 1982.
b)
There will be more feral swine in 2016 than there were in 2010
c)
There were fewer feral swine in 2004 than 1982.
d)
There will be no change in feral swine population.  
45.

If a poisonous invasive species was introduced to the forest ecosystem and began killing off the frog population, what effect would this have on your food web?

a)

grasshoppers would decrease

b)

birds would increase

c)

grasshoppers and caterpillars would increaase

d)

snakes, owls and hawks would increase

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