WorksheetsEcology Quiz Review
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
The role of an organism in its habitat ("how it makes its living") is its:
a)
niche
b)
adaptation
c)
population
d)
biotic factor
2.
Which of these is NOT a type of interaction among organisms?
a)
competition
b)
predation
c)
symbiosis
d)
sharing
3.
When two species have the same niche and are going for the same limited resource, they will:
a)
compete
b)
both die
c)
eat each other
d)
ignore each other
4.
One animal killing another for food is called:
a)
parasitism
b)
predation
c)
commensalism
d)
mutualism
5.
A close relationship between two species that benefits at least one of the species is known as:
a)
symbiosis
b)
predation
c)
competition
d)
niche
6.
Which is not a type of symbiotic relationship?
a)
mutualism
b)
commensalism
c)
predation
d)
parasitism
7.
A symbiotic relationship where both species benefit is:
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
8.
A symbiotic relationship where one species is helped and one species is not hurt, but not helped is known as:
a)
commensalism
b)
mutualism
c)
predation
d)
parasitism
9.
A symbiotic relationship where one organism lives on or inside another organism and harms it is known as:
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
10.
A frog eats a butterfly. The frog and the butterfly are demonstrating a ________________ relationship.
a)
symbiotic (mutualism)
b)
competitive
c)
predator/prey
d)
symbiotic (parasitism)
11.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?
a)
mutualism
b)
parasitism
c)
commensalism
d)
predation
12.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. What best describes this relationship?
a)
mutualism
b)
parasitism
c)
commensalism
d)
predator/prey
13.
Barn owls hunt shrews. In this example what is the role of a barn owl?
a)
herbivore/predator
b)
carnivore/prey
c)
carnivore/predator
d)
omnivore/
decomposer
decomposer
14.
When an organism's energy source is both animals and plants, that organism is considered to be a(n) ____________________.
a)
predator
b)
omnivore
c)
herbivore
d)
carnivore
15.
How do producers obtain energy?
a)
They conduct photosynthesis.
b)
They consume plants.
c)
They consume primary consumers.
d)
They consume secondary consumers.
16.
How do consumers get their energy?
a)
They absorb the energy from the sun and convert it to chemical energy.
b)
They eat other organisms.
c)
They provide food for other organisms.
d)
They obtain energy by surviving in an ecosystem.
17.
All food chains_____________________
a)
have more consumers than producers.
b)
produce and use the same amount of energy.
c)
begin with a producer.
d)
are unhealthy and need to be broken apart.
18.
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 may begin to overpopulate.
c)
C. Plants will be over browsed by herbivores.
d)
D. Both B and C might occur.
19.
What percentage of energy is passed on to each tropic level of an energy pyramid?
a)
10%
b)
50%
c)
90%
d)
100%
20.
What might happen if you remove a primary consumer from an 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.
21.
Where could decomposers get placed in a food chain or food web?
a)
They are at the beginning.
b)
They don't belong in a food chain or food web.
c)
They are placed at the end.
d)
They are found at every level.
22.
A food web can be broken down into several separate:
a)
food chains
b)
food pyramids
c)
producers
d)
consumers
23.
Which organism do the owl and the weasel compete for in the food web?
a)
hawk
b)
spider
c)
grasshopper
d)
shrew
24.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
25.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
26.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
27.
Which of the following best describes the small bird in the food web above?
a)
primary and secondary consumer
b)
secondary and tertiary consumer
c)
primary consumer only
d)
secondary consumer only
28.
Raccoons eat meat AND plants. They are __________________.
a)
carnivores
b)
herbivores
c)
omnivores
d)
producer
29.
Grass: Producer, consumer or decomposer?
a)
Producer
b)
Consumer
c)
Decomposer
30.
Which of the following is the original source of energy for food chains and food webs?
a)
grass
b)
sun
c)
bacteria
d)
soil
31.
An individual living thing is a(n) ___________________.
a)
organism
b)
population
c)
community
d)
ecosystem
32.
A group of one type of organisms is called a(n) ___________.
a)
organism
b)
population
c)
community
d)
ecosystem
33.
A ____________________ consists of many different species that live in the same area together.
a)
organism
b)
population
c)
community
d)
ecosystem
34.
Both living and nonliving things within a defined area makes up a(n) _____________.
a)
organism
b)
population
c)
community
d)
ecosystem
35.
Which of the following shows the levels of ecological organization from largest to smallest?
a)
organism, population, community, ecosystem, biosphere
b)
biosphere, ecosystem, community, population, organism
c)
organism, community, population, ecosystem, biosphere
d)
ecosystem, biosphere, population, community, organism
36.
Which of the following is an example of a community?
a)
all of the red-eyed tree frogs in the rain forest
b)
all of the sea urchins in the Pacific Ocean
c)
all of the species of birds in Yellowstone National Park
d)
all of the species of fish along with the water and sand in the Atlantic Ocean
100 %
