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WorksheetsEcology
Total questions: 50
Worksheet time: 33mins
Name
Class
Date
1.
What does every food chain start with? (Even if it's not drawn or written there!)
a)
producers
b)
sun
c)
consumer
d)
decomposers
2.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
3.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
4.
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.
5.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
6.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
7.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
8.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
9.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
10.
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
11.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
12.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
13.
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
14.
As you move upward, from level to level, in an energy pyramid, energy _____.
a)
increases
b)
decreases
c)
stays the same
d)
increases exponentially
15.
plants that convert energy from the sun
a)
decomposer
b)
primary consumer
c)
secondary consumer
d)
producer
16.
What are the Abiotic factors in this image?
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
17.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
18.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
19.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
20.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
21.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
22.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Habitat
d)
Ecosystem
23.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
24.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
25.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
26.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
27.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
28.
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
29.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
30.
Organisms that feed on both living producers and other consumers.
a)
Carnivores
b)
Omnivores
c)
Herbivores
d)
Detritivores
31.
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
32.
True or False: It is possible for a carnivore to be a producer.
a)
False
b)
True
33.
The NUMBER of individuals in a certain population.
a)
Population
b)
Limiting Factors
c)
Natural Selection
d)
Population Density
34.
If the birth rate is _________ than the death rate then the population will ____________.
a)
Greater/Increase
b)
Greater/Decrease
35.
The largest number of organisms that the environment can support.
a)
Carrying Capacity
b)
Limiting Factor
36.
Environmental factors that keep a population from increasing.
a)
Carrying Capacity
b)
Limiting Factors
37.
Which is NOT an example of a limiting factor.
a)
Climate
b)
Available Food & Water
c)
Available Space & Shelter
d)
Species color
38.
What happens when an environment reaches its carrying capacity?
a)
Populations will decrease
b)
Resources such as food, water, and space will be unlimited
c)
Populations will increase
d)
Nothing, everything will stay the same.
39.
Which of the following is a BIOTIC limiting factor of a population?
a)
Predators
b)
Wild Fires
c)
Roads
d)
Floods
40.
Which of the following is true?
a)
Prey eat Predators
b)
Predators eat Prey
c)
Populations eat Predators
d)
Prey eat parasites
41.
Limiting factors are sometimes helpful because they can keep the population from getting too large.
a)
True
b)
False
42.
A snake is eaten by a hawk. The hawk is the _______.
a)
prey
b)
parasite
c)
predator
d)
all of these
43.
Food, water, sunlight, shelter, and space are resources that are __________.
a)
limiting factors
b)
wet
c)
messy
d)
found in rocks
44.
If the population of a certain predator increases, there is often _______ its prey
a)
a decrease the population of
b)
an increase of the population of
c)
great news for its prey of
d)
no impact found on
45.
If there is more food than usual in an ecosystem, then...
a)
Populations will stay the same
b)
Populations will decrease
c)
Populations will increase
46.
Any thing or organism that regulates the size of a population of another organism is known as __________.
a)
a limiting measure
b)
a limiting factor
c)
factorization
d)
materialization of precipitation
47.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
48.
A non-native plant that causes problems to the environment that it is introduced to is called __________.
a)
Invasive
b)
Weed
c)
Indigenous
d)
Purple
49.
What is the main cause for species invading?
a)
Air Pollution
b)
Wanting to be adventerous
c)
Human Means
d)
Themselves
50.
An organism that lives in an ecosystem naturally.
a)
Native species
b)
Invasive species
c)
Introduced species
d)
Non-Native species
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