NEW
Font size
S
M
L
XL
WorksheetsUnit 12
Total questions: 55
Worksheet time: 31mins
Name
Class
Date
1.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
2.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
3.
All of the living parts of an ecosystem are _________.
a)
biology
b)
biotic
c)
abiotic
d)
biography
4.
All of the nonliving parts of an ecosystem are _______.
a)
biography
b)
biotic
c)
abiotic
d)
biology
5.
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
6.
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
7.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
8.
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
9.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
10.
What is the original source of energy in any food web? 5-2.4
a)
carbon dioxide
b)
oxygen
c)
sugar
d)
sunlight
11.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
12.
How do producers obtain energy?
a)
They conduct photosynthesis.
b)
They consume plants.
c)
They consume primary consumers.
d)
They consume secondary consumers.
13.
This is the formula for which process?
6H2O + 6CO2 --> C6H12O6 + 6O2
6H2O + 6CO2 --> C6H12O6 + 6O2
a)
Photosynthesis
b)
Glycolysis
c)
Cellular Respiration
d)
Acidification
14.
All steps in a food chain always involve a loss of...
a)
light
b)
mass
c)
time
d)
energy
15.
As shown in this foodweb, which of these is NOT an omnivore?
a)
The grouse
b)
The grizzly bear
c)
They are all omnivores
d)
The marmot
16.
Decomposers are very important in an ecosystem because they break down dead organisms. True or False?
a)
True
b)
False
17.
The role of an organism in its habitat (how it makes its living) is called:
a)
niche
b)
adaptation
c)
job
d)
trait
18.
Behaviors or physical characteristics that make an organism survive in its environment
a)
natural selection
b)
adaptations
c)
niche
d)
traits
19.
Relationship where both species benefit
a)
Commensalism
b)
Mutualism
c)
parasitism
d)
predation
20.
A close relationship between two species that benefits at least one of the species.
a)
symbiosis
b)
predation
c)
competition
d)
niche
21.
A relationship where one species is helped and one species is neutral (not hurt, but not helped).
a)
commensalism
b)
mutualism
c)
predation
d)
parasitism
22.
Relationship where one organism lives on or inside another organism and harms it.
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
23.
Which group uses the sun's energy to make food?
a)
producers
b)
consumers
c)
decomposers
d)
predators
24.
A body part or behavior that helps a living thing survive
a)
camoflage
b)
adaptation
c)
extiction
d)
instinct
25.
A living thing that can't make its own food and must eat other living things.
a)
producer
b)
consumer
c)
decomposer
d)
instinct
26.
A living thing that feeds on the wastes and remains of plants and animals.
a)
food web
b)
producer
c)
consumer
d)
decomposer
27.
A living thing that can make its own
food is a ______________.
food is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
food chain
28.
All of the individuals of one kind, living in the same ecosytem.
a)
producers
b)
population
c)
individuals
d)
consumers
29.
What is the name for an organism that breaks down dead plants and animals?
a)
producer
b)
consumer
c)
decomposer
30.
A consumer is an organism that eats other organisms to survive.
a)
True
b)
False
31.
The role or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
32.
all the populations living in an ecosystem.
a)
population
b)
community
c)
ecosystem
d)
species
33.
What is commensalism?
a)
Both organisms benefit
b)
One organism is harmed and the other benefits
c)
One organism benefits and the other is not harmed
34.
What is a Niche?
a)
Role of an organism in its habitat
includes what it eats
includes what it eats
b)
Role of an organism
c)
Class the organism is in
35.
Carnivores
a)
an inherited characteristic that provides a specific advantage to individuals that have it and becomes more common or pronounced in a population because of the advantage that it provides
b)
an animal that gets energy by eating only other animals
c)
an organism that gets energy from eating another organism
d)
an organism that consumes dead or nonliving biomass without need for internal digestion
36.
Consumer
a)
an inherited characteristic that provides a specific advantage to individuals that have it and becomes more common or pronounced in a population because of the advantage that it provides
b)
an animal that gets energy by eating only other animals
c)
an organism that gets energy from eating another organism
d)
an organism that consumes dead or nonliving biomass without need for internal digestion
37.
Decomposer
a)
an inherited characteristic that provides a specific advantage to individuals that have it and becomes more common or pronounced in a population because of the advantage that it provides
b)
an animal that gets energy by eating only other animals
c)
an organism that gets energy from eating another organism
d)
an organism that consumes dead or nonliving biomass without need for internal digestion
38.
Ecosystem
a)
all of the living and non-living things and all of their interactions in an area
b)
an animal that gets energy by eating only other animals
c)
an organism that gets energy from eating another organism
d)
an organism that consumes dead or nonliving biomass without need for internal digestion
39.
Herbivore
a)
all of the living and non-living things and all of their interactions in an area
b)
an animal that gets it energy only by eating plants
c)
an organism that gets energy from eating another organism
d)
an organism that consumes dead or nonliving biomass without need for internal digestion
40.
An animal that eats plants and other animals is a/an:
a)
omniviore
b)
scavanger
c)
decomposer
d)
herbivore
41.
An organism that breaks down wastes and plant and animal remains and returns their nutrients to the soil is a/an
a)
consumer
b)
scavanger
c)
decomposer
d)
prey
42.
An animal that eats only producers is:
a)
a herbivore
b)
a predator
c)
a prey
d)
an omnivore
43.
Carnivores are:
a)
Organisms that eat both plants and animals
b)
Organisms that hunt and eat other animals
c)
Organisms that make their own food
d)
Organisms that eat dead things
44.
Omnivores are:
a)
Organisms that eat both plants and animals
b)
Organims that hunt and eat other animals
c)
organisms that make their own food
d)
Organisms that break down dead things for food
45.
the variety of life in an ecosystem
a)
Biotic Factor
b)
Trophic Level
c)
Biodiversity
d)
Parasite
46.
an organism that lives on another living organism causing it harm
a)
Biotic Factor
b)
Trophic Level
c)
Biodiversity
d)
Parasite
47.
the position an organism occupies in a food chain
a)
Biotic Factor
b)
Trophic Level
c)
Biodiversity
d)
Parasite
48.
An organism that is infected with or is fed upon by a parasite
a)
Host
b)
Decomposer
c)
Producer
d)
Consumer
49.
a large region characterized by a specific type of climate and the plants and animals that live there
a)
Biome
b)
Mutualism
c)
Commensalism
d)
Symbiosis
50.
Which is an abiotic part of an ecosystem?
a)
temperature
b)
soil
c)
both
d)
neither
51.
Where do wetlands form?
a)
In places where water is trapped in lower areas
b)
In areas where water runs into a pond or lake
c)
In an area that is deep and will hold the water for long periods of time
52.
This picture is an example of what kind of ecosystem?
a)
Forest
b)
Tundra
c)
Desert
d)
Desert
53.
This picture is an example of what kind of ecosystem?
a)
Forest
b)
Desert
c)
Tundra
d)
Tropical Rain Forest
54.
This picture is an example of what kind of ecosystem?
a)
Desert
b)
Tropical Rain Forest
c)
Tundra
d)
Forest
55.
A food web can be broken down into several seperate
a)
food chains
b)
food pyramids
c)
producers
d)
consumers
Reset
