NEW
Font size
S
M
L
XL
WorksheetsInteractions Among Living Things
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Many different organisms that live together in an ecosystem make up…
a)
a population
b)
a cycle
c)
a pack
d)
a community
2.
Meat-eating consumers are called….
a)
prey
b)
herbivore
c)
carnivore
d)
producer
3.
Which factor is most important in creating the differences in biomes?
a)
physical features
b)
plant life
c)
climate
d)
temperature
4.
The environment in which an organism lives is called its…
a)
pad
b)
population
c)
biome
d)
habitat
5.
Which of the following is NOT a way that humans affect ecosystems?
a)
pollution
b)
development
c)
earthquakes
d)
overharvesting
6.
A relationship between two species in which one is harmed while the other benefits is called…
a)
commensalism
b)
mutualism
c)
organism
d)
parasitism
7.
Which is NOT a reason that rain forests should be preserved?
a)
Contains many producers
b)
Good for growing crops.
c)
Home to many habitats.
d)
Have many different organisms.
8.
A symbiotic relationship in which both organisms benefit is called…
a)
Commensalism
b)
Parasitism
c)
Mutualism
d)
Organism
9.
Name one physical adaptation.
a)
herding
b)
migration
c)
hibernation
d)
camoflauge
10.
What percent of energy passes from one level of the energy pyramid to another level?
a)
10%
b)
0%
c)
50%
d)
100%
11.
What describes a species that would be classified as endangered if it lost more members?
a)
extinct
b)
threatened
c)
thriving
d)
alien
12.
Many different organisms that live together in an ecosystem make up…
a)
a population
b)
a cycle
c)
a pack
d)
a community
13.
Organisms that get energy from photosynthesis are...
a)
consumers
b)
producers
c)
decomposers
d)
prey
14.
A consumer that feeds on wastes of living organisms and on dead, decaying organisms?
a)
decomposer
b)
carnivore
c)
producer
d)
omnivore
15.
Consumers that eat primary consumers are called...
a)
second-level consumers
b)
herbivores
c)
producers
d)
prey
16.
A niche in an ecosystem would be defined as...
a)
where you live.
b)
your job.
c)
how you move.
d)
your physical features.
17.
Bacteria are helpful to an ecosystem because,
a)
they live in water.
b)
they are decomposers.
c)
they make fungi.
d)
they are producers.
18.
Many different organisms that live together in an ecosystem make up a __?___.
a)
population
b)
cycle
c)
community
d)
pack
19.
What kind of consumer feeds on the wastes of living organisms and on dead, decaying organisms?
a)
predator
b)
prey
c)
consumer
d)
decomposer
20.
All the organisms of the same kind in a community is a __?__.
a)
species
b)
system
c)
relationship
d)
popoulation
21.
All ecosystems contain million of species.
a)
true
b)
false
22.
This biome has the least amount of rainfall.
a)
Desert
b)
Temperate Rain Forest
c)
Tropical Rain Forest
d)
Grassland
23.
If a species is considered "endangered", what would it be called if it lost more members?
a)
extinct
b)
thriving
c)
alien
d)
threatened
24.
This picture is an example of a __?__.
a)
food chain
b)
food web
c)
food pryamid
d)
circle of life
Reset
