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Food Webs And Energy Pyramids
Test Description: Food Webs and Energy. VA LS SOL
Instructions: Answer all questions to get your test result.
1) What is the relationship between producers and consumers?
A
Producers eat consumers
B
Consumers eat the wastes of producers
C
Producers eat the wastes of consumers
D
Consumers eat producers
2) What happens to the amount of available energy as you move up the levels of the energy pyramid?
A
It decreases
B
It increases
C
It stays the same
D
It only changes when there are fourth level consumers
3) Organisms that absorb nutrients from dead plants and animals are called —
A
producers
B
decomposers
C
herbivores
D
carnivores
4) The major role of bacteria, fungi and other decomposers in an ecosystem is to —
A
provide water for the animals in the area
B
keep the soil from eroding
C
recycle the nutrients
D
produce food for the consumers
5) In the relationship between a snake and a frog, if the snake eats the frog, the frog is —
A
prey
B
a predator
C
a mutualistic partner
D
alpha
6) Vultures feed primarily on the bodies of dead animals. They are —
A
omnivores
B
producers
C
autotrophs
D
scavengers
7) Which term best describes the niche of a shark?
A
Parasite
B
Decomposer
C
Prey
D
Predator
8) The job or role an organism plays within its habitat is called its —
A
niche
B
address
C
food chain
D
competition
9) All populations of different species living together in an area are called —
A
a community
B
carnivores
C
a population
D
an ecosystem
10) What is predation within a species?
A
The function of an organism within an ecological community
B
A similar relationship of mutual interdependence
C
An interaction between organisms in which the fitness of one is lowered by the presence of another.
D
The capturing of prey as a means to maintain life
*select an answer for all questions
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