NEW
Font size
S
M
L
XL
WorksheetsFood Webs
Total questions: 31
Worksheet time: 15mins
Name
Class
Date
1.
Which is NOT an abiotic factor:
a)
soil
b)
air
c)
bacteria;
d)
water
2.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
3.
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.
4.
How do producers obtain energy?
a)
They conduct photosynthesis.
b)
They consume plants.
c)
They consume primary consumers.
d)
They consume secondary consumers.
5.
A consumer that hunts is called:
a)
a producer.
b)
an omnivore.
c)
a predator.
d)
a herbivore.
6.
Where do decomposers go in your food chain?
a)
at the beginning
b)
they don't belong in a food chain
c)
at the end
d)
at every level
7.
A food web can be broken down into several seperate
a)
food chains
b)
food pyramids
c)
producers
d)
consumers
8.
Which represents the largest group in a food web?
a)
carnivores
b)
omnivores
c)
herbivores
d)
producers
9.
What might occur when a carnivore is removed from the food web?
a)
A) Nothing. Organisms cannot impact things below them on the energy pyramid.
b)
B) Primary consumers will overpopulate.
c)
C) Plants will be over browsed by herbivores.
d)
D) both B and C might occur.
10.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
11.
diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
a)
succession
b)
cellular respiration
c)
energy pyramid
d)
biochemical cycle
12.
symbiotic relationship in which one organism benefits and the other organism is harmed
a)
secondary succession
b)
predation
c)
pioneer species
d)
parasitism
13.
anything that an organism needs to live, ex. food, water, space
a)
carrying capacity
b)
resource
c)
succession
d)
denitrification
14.
largest number of individuals of a population that the environment can support
a)
carrying capacity
b)
primary succession
c)
denitrification
d)
mutualism
15.
a relationship between two in which one species, the predator, feeds on the other species, the prey
a)
chemosynthesis
b)
predation
c)
cellular respiration
d)
commensalism
16.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism
c)
nitrogen fixation
d)
commensalism
17.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
18.
Step in the food chain, food web, or ecological pyramid
a)
trophic Level
b)
abiotic factors
c)
community
d)
ecosystem
19.
A large area that has a specific type of climate and certain types of plant and animal communities
a)
ecosystem
b)
habitat
c)
niche
d)
biome
20.
Network of all food in an ecosystem
a)
ecology
b)
food web
c)
decomposer
d)
food chain
21.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
22.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
23.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
24.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
25.
Living factors or organisms that affect an ecosystem
a)
abiotic factors
b)
species
c)
trophic level
d)
biotic factors
26.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
27.
The unique position that a species has in the physical use of its habitat and in its function (job) within an ecosystem
a)
producer
b)
biotic factors
c)
ecosystem
d)
niche
28.
Organisms that makes its own food using sunlight or chemicals; producer
a)
decomposer
b)
autotroph
c)
heterotroph
d)
herbivore
29.
Consumer that eats animals or meat
a)
carnivore
b)
omnivore
c)
consumer
d)
producer
30.
This is an image of a _________.
a)
consumer
b)
scavenger
c)
decomposer
d)
producer
31.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
Reset
