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WorksheetsEcology Review
Total questions: 31
Worksheet time: 32mins
Name
Class
Date
1.
Which of the following are biotic factors?
a)
sand
b)
tree
c)
elevation
d)
water
2.
Which is the definition for "prey"?
a)
the animal being consumed
b)
a religious tradition
c)
the animal that eats another animal
d)
the study of ecosystems
3.
Which of the following is an abiotic factor?
a)
rabbit
b)
snake
c)
rock
d)
bush
4.
What is it called when all the members of a single species live in an ecosystem?
a)
community
b)
ecology
c)
population
d)
ecosystem
5.
What are living factors?
a)
abiotic factors
b)
ecologist factors
c)
biotic factors
d)
ecosystem factors
6.
What is needed to start any food web?
a)
producer
b)
consumer
c)
decompser
d)
prey
7.
What is the name for organisms that break down dead organisms for food?
a)
consumers
b)
producers
c)
predators
d)
decomposers
8.
In this food web, what is the grasshopper?
a)
producer
b)
tertiary consumer
c)
secondary consumer
d)
primary consumer
9.
Which is a symbiosis where one organism is helped and the other is harmed?
a)
symbiosis
b)
mutualism
c)
commensalism
d)
parasitism
10.
What is commensalism?
a)
a symbiosis where one species is helped and the other is harmed
b)
a symbiosis where one species is helped and the other is neither helped nor harmed
c)
a symbiosis where both species are helped
d)
a symbiosis between 2 or more organisms
11.
Is this picture an example of a mutualistic symbiosis?
a)
Yes
b)
No
12.
all the populations of different species living in the same are at the same time
a)
community
b)
population
c)
species
d)
consumers
13.
organisms that get their energy by eating other consumer
a)
carnivore
b)
herbivore
c)
omnivore
d)
detrivore
14.
place within the ecosystem where an organism lives
a)
niche
b)
habitat
c)
biome
d)
foodweb
15.
feed on producers and consumers
a)
carnivore
b)
omnivore
c)
detrivore
d)
herbivore
16.
feeds only on plants
a)
carnivore
b)
herbivore
c)
omnivore
d)
detrivore
17.
model of energy transfer showing how the food chains in a community that are interconnected
a)
food web
b)
food chain
c)
energy pyramid
d)
habitat
18.
gets energy by making its own food
a)
carnivore
b)
producer
c)
consumer
d)
decomposer
19.
gets its energy by obtaining other organisms for food
a)
consumer
b)
producer
c)
herbivore
d)
detrivore
20.
herbivore
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
21.
carnivore
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
22.
plants and other photosynthetic organisms
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
23.
a nonnative organism that disrupts or changes the balance of an ecosystem
a)
threatened species
b)
endangered species
c)
extinct species
d)
invasive species
24.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
25.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
26.
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
27.
What are the Abiotic factors in this image?
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
28.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
29.
What does every food chain start with? (Even if it's not drawn or written there!)
a)
producers
b)
sun
c)
consumer
d)
decomposers
30.
What are the three types of symbiosis?
a)
mutualism, predation, commensalism
b)
mutualism, commensalism, parasitism
c)
mutualism, competition, parasitism
d)
mutualism, predation, competition
31.
An organism's niche is its ______.
a)
role in its habitat
b)
habitat
c)
nonliving part of a habitat
d)
struggle with another organism
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