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WorksheetsEcology
Total questions: 33
Worksheet time: 23mins
Name
Class
Date
1.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
2.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
3.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
4.
What is an heterotroph?
a)
An organism that can produce its own form of energy (via the Sun)
b)
An organism that consumes only plants for energy
c)
Various organisms that consume other organisms for energy
d)
An organism that decomposes other organisms
5.
What is the major difference between a community and an ecosystem?
a)
A community involves only the biotic, not the abiotic
b)
An ecosystem only includes herbivores and carnivores-- no decomposers
c)
An ecosystem involves only the biotic, AND THE abiotic
d)
An ecosystem is just a larger community
6.
What are the correct types of Trophic levels?
a)
Producers
Primary
Secondary
Primary
Secondary
b)
Primary
Secondary
Secondary
c)
Producers
Consumers
Decomposers
Consumers
Decomposers
d)
Producers
Primary
Secondary
Tertiary
Primary
Secondary
Tertiary
7.
What are the major differences between a species and a population?
a)
Populations consist of ALL of the individual organisms within a species in a given area/ecosystem that are fertile
b)
Populations are a collection of many different types of species that are not related to each other
c)
Populations are just a larger amount of individuals
d)
Populations are the number of individuals within a species that are identical
8.
What makes Fungi so unique when it comes to trophic levels?
a)
They are producers so they can be high or low
b)
They are consumers of only plants
c)
They are consumers of all types of organisms because they decompose
d)
They are consumers of only the primary trophic level
9.
What are the plants in this picture?
a)
Heterotrophs
b)
Autotrophs
c)
Carnivores
d)
Herbivores
10.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
11.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
12.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
13.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
14.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
15.
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
16.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
17.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
18.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
19.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
20.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
21.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
22.
An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
23.
Which of the following would be the definition of a detritivore?
a)
Animals that eat insects.
b)
Organisms that feed on rocks, recycling the nutrients back into the ground.
c)
Organisms that eat only pants
d)
Things that feed on dead organisms, recycling the nutrients back into the ground.
24.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
25.
The general name for organisms like animals and fungi that get their energy from eating other organisms.
a)
Producers
b)
Consumers
c)
Detritivores
d)
Carnivores
26.
An organism at the second trophic level would be considered a...
a)
Top carnivore
b)
Producer
c)
Herbivore
d)
Carnivore
27.
True or False: It is possible for a carnivore to be a producer.
a)
False
b)
True
28.
In this food web, what is the grasshopper?
a)
producer
b)
tertiary consumer
c)
secondary consumer
d)
primary consumer
29.
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
30.
Is this picture an example of a mutualistic symbiosis?
a)
Yes
b)
No
31.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
32.
An animal that is hunted and eaten for food is a
a)
predator
b)
prey
33.
An organism's niche is
a)
the entire role an organism has in the place it lives
b)
the range of temperatures that the organism needs to survive
c)
all the physical and biological factors in the organism's environment
d)
the nutrients that flow from the organism to the environment
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