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Food Chains/Webs And Pyramids
Test Description: Food Chains/Webs and Pyramids
Instructions: Answer all questions to get your test result.
1) In a food pyramid, which best explains why the number of organisms decreases from one trophic level to the next?
A
The consumers are feeding on larger organisms that have less energy.
B
The consumers are feeding on smaller organisms that have less energy.
C
Consumers at the top level require more energy than the lower-level consumers.
D
Consumers at the lower level require more energy than the top-level consumers.
2) What type of organisms make up the first trophic level in most terrestrial food chains?
A
decomposers
B
consumers
C
producers
D
carnivores
3) Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ..... Identify the organisms in the third trophic level.
A
snakes
B
eagles
C
grass
D
frogs
4) What do you call an organism that is at the top of its food chain and which is not hunted by any other organism?
A
consumer
B
top carnivore
C
decomposer
D
producer
5) Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ...... Identify the organisms in the fourth trophic level.
A
grasshoppers
B
grass
C
eagles
D
snakes
6) What diagram represents the trophic levels in a food chain in terms of the population of organisms at each level?
A
number pyramid
B
energy pyramid
C
biomass pyramid
D
food pyramid
7) Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles .... Identify the tertiary consumers in this food chain.
A
eagles
B
frogs
C
grasshoppers
D
snakes
8) What diagram represents the trophic levels in a food chain in terms of the amount of total dry biological matter at each level?
A
biomass pyramid
B
energy pyramid
C
food pyramid
D
number pyramid
9) If you were a vegetarian, you would be a _____ consumer.
A
primary
B
tertiary
C
quarternary
D
seconary
10) Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ..... Identify the primary consumers in this food chain.
A
grass
B
snakes
C
grasshoppers
D
frogs
11) What percentage of energy gets transferred from one trophic level to the next?
A
100%
B
90%
C
10%
D
1%
12) Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ...... If the grass contains 10 000 kJ of energy, how much energy will the frogs receive?
A
1 kJ
B
1000 kJ
C
100 kJ
D
10 kJ
13) Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ...... If the grass contains 10 000 kJ of energy, how much energy will the frogs receive?
A
1 kJ
B
10kJ
C
1000 kJ
D
100kJ
14) What is the name for organisms that eat tertiary consumers?
A
quaternary consumers
B
tertiary consumers
C
primary consumers
D
secondary consumers
*select an answer for all questions
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