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Food And Factors
Test Description: Food Chains/Webs/Pyramids and Factors
Instructions: Answer all questions to get your test result.
1) Part of the environment that controls the size of a population.
A
Limiting factor
B
Biome
C
Primary factor
D
Primary consumers
2) The maximum size of a population that the environment can support.
A
Consumers
B
Carrying capacity
C
Biotic factor
D
Limiting factor
3) The availability of food, water, shelter and space as well as competition for resources, predation and disease are all examples of
A
limiting factors
B
overpopulation factors
C
primary consumers
D
biotic factors
4) If the amount of food, water, and shelter increase, what would happen to the animal populations.
A
Increase
B
Decrease
C
Stay the Same
D
Decrease, then increase
5) If competition increases, the animal populations would
A
Increase
B
Increase sharply, then decrease
C
Decrease
D
Stay the same
6) Which of the following would cause an increase in animal populations?
A
lack of water
B
fewer producers
C
fewer predators
D
less food
7) This shows the feeding relationships between ALL organisms in an environment.
A
Consumer relationships
B
Energy pyramid
C
Food web
D
Food chain
8) When a source of water dries up in an environment, what is the likely result?
A
The producers are affected.
B
The carrying capacity of populations increase.
C
The carrying capacity of populations decrease.
D
The food chain changes.
9) Increases in a population...
A
is always good for the environment
B
can lead to a population becoming too large
C
will lead to an increase in resources
D
will always make the population better able to survive
10) The transfer of energy that occurs when eating is inefficient because...
A
most energy is lost to scavengers.
B
most energy is lost as heat during life processes
C
most energy is lost as friction.
D
most energy is lost to producers.
11) Competition is a limiting factor because...
A
there is only a limited amount of food and living space available.
B
it leads to overpopulation.
C
predator-prey populations fluctuate (change).
D
abiotic factors such as light, water, and temperature are present.
12) Which of the following is an abiotic limiting factor for fish?
A
amount algae to eat
B
amount of sediment in water
C
amount of predator fish
D
number of parasites
13) Which of the following lists ONLY biotic factors?
A
pH, frogs, toads, sediment
B
snail, algae, shell fish, storks
C
temperature, pH, sand, air
D
temperature, fish, soil, birds
14) Which of the following is NOT true of food webs?
A
Shows how organisms eat more than one thing.
B
They show a single feeding relationship between organisms.
C
They show multiple relationships between organisms.
D
All organisms are involved in feeding relationships.
15) Which of the following statements is true of energy pyramids?
A
There are more tertiary than primary consumers.
B
There are more producers at the bottom of the pyramid.
C
There are more producers at the top of the pyramid.
D
There are equal numbers of producers and consumers.
16) Only a small amount of energy gets passed to the next organism because...
A
The rest is used by the organism and lost as heat.
B
The top predators take all the energy.
C
Producers do not make enough food.
D
Primary consumers eat too many producers.
17) Which of the following is NOT a limiting factor?
A
water
B
disease
C
food
D
reproduction
18) An animal that eats only grass is this type of consumer...
A
secondary
B
producer
C
tertiary
D
primary
19) An animal that eats primary consumers is called a...
A
tertiary consumer
B
primary consumer
C
producer
D
secondary consumer
20) An animal who eats secondary consumers or other carnivores is called a...
A
primary consumer
B
tertiary consumer
C
producer
D
secondary consumer
*select an answer for all questions
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