WorksheetsEcosystem
Total questions: 33
Worksheet time: 2hrs 45mins
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.
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
4.
Decomposers are very important in an ecosystem because they break down dead organisms. True or False?
a)
True
b)
False
5.
The different populations that interact with each other in the same area form?
a)
population
b)
community
c)
niche
6.
The role of an organism in its habitat (how it makes its living) is called:
a)
niche
b)
adaptation
c)
job
d)
trait
7.
Behaviors or physical characteristics that make an organism survive in its environment
a)
natural selection
b)
adaptations
c)
niche
d)
traits
8.
Relationship where both species benefit
a)
Commensalism
b)
Mutualism
c)
parasitism
d)
predation
9.
A close relationship between two species that benefits at least one of the species.
a)
symbiosis
b)
predation
c)
competition
d)
niche
10.
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
11.
Relationship where one organism lives on or inside another organism and harms it.
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
12.
Which group uses the sun's energy to make food?
a)
producers
b)
consumers
c)
decomposers
d)
predators
13.
A body part or behavior that helps a living thing survive
a)
camoflage
b)
adaptation
c)
extiction
d)
instinct
14.
A living thing that can't make its own food and must eat other living things.
a)
producer
b)
consumer
c)
decomposer
d)
instinct
15.
A living thing that feeds on the wastes and remains of plants and animals.
a)
food web
b)
producer
c)
consumer
d)
decomposer
16.
A living thing that can make its own
food is a ______________.
food is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
food chain
17.
All of the individuals of one kind, living in the same ecosytem.
a)
producers
b)
population
c)
individuals
d)
consumers
18.
What is the name for an organism that breaks down dead plants and animals?
a)
producer
b)
consumer
c)
decomposer
19.
A consumer is an organism that eats other organisms to survive.
a)
True
b)
False
20.
The role or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
21.
all the populations living in an ecosystem.
a)
population
b)
community
c)
ecosystem
d)
species
22.
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
23.
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
24.
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
25.
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
26.
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
27.
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
28.
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
29.
An animal that eats plants and other animals is a/an:
a)
omniviore
b)
scavanger
c)
decomposer
d)
herbivore
30.
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
31.
An animal that eats only producers is:
a)
a herbivore
b)
a predator
c)
a prey
d)
an omnivore
32.
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
33.
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
100 %
