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SCI 8 Ecology Quiz ver.B

Total questions: 27

Worksheet time: 19mins

Name
Class
Date
1.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
2.
which symbiosis is this 
a)
parasitism 
b)
mutualism
c)
commensalism
d)
nonalism 
3.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
4.
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. 
5.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
6.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
7.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
8.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
9.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
10.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
11.
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
12.
Organisms that feed on both living producers and other consumers.
a)
Carnivores
b)
Omnivores
c)
Herbivores
d)
Detritivores
13.
True or False:  It is possible for a carnivore to be a producer.
a)
False
b)
True
14.
What are the Abiotic factors in this image? 
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
15.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
16.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
17.
Which of the following would be the definition of a detritivore?
a)
Animals that eat insects.
b)
Organisms that feed on rocks, recycling the nutrients back into the ground.
c)
Organisms that eat only pants
d)
Things that feed on dead organisms, recycling the nutrients back into the ground.
18.
An animal that is hunted and eaten for food is a 
a)
predator
b)
prey
19.
An organism's niche is 
a)
the entire role an organism has in the place it lives
b)
the range of temperatures that the organism needs to survive
c)
all the physical and biological factors in the organism's environment
d)
the nutrients that flow from the organism to the environment
20.

The entire layer of living things around the globe is called the:

a)

Population

b)

Geosphere

c)

Biome

d)

Biosphere

21.
All individuals of a given species in a specific area at a certain time.
a)
population
b)
community
c)
ecosystem
d)
biome
22.
Organisms require a certain amount of food, water, space, and shelter in order to survive and reproduce. 
a)
True
b)
False
23.

What can limit an area's carrying capacity?

a)

Lack of predators in the area

b)

a plentiful amount of food

c)

lack of food in the area

d)

all of the above

24.

If a disease destroying wheat plants in a field swept through an ecosystem, what would happen to a wheat eating bird population in the the field ?

a)

The bird population would stay the same

b)

The bird population would infinitely increase

c)

The bird population would decrease

25.

When a population grows past the ecosystem's carrying capacity, what happens to the population?

a)

Continues to grow at the same rate

b)

The population starts to die off or moves away, returning to carrying capacity

c)

The population will go extinct suddenly due to lack of resources

d)

The population grows and then finds a new carrying capacity

26.

which level of organization includes both biotic and abiotic factors interacting with one another?

a)

population

b)

ecosystem

c)

community

d)

organism

27.

Traits or skills that help predators catch and kill their prey could include:

a)

camouflage

b)

forward oriented eyes allowing for depth perception

c)

speed

d)

all of the above

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