Food Chains/Webs And Pyramids Question Preview (ID: 24915)


Food Chains/Webs And Pyramids. TEACHERS: click here for quick copy question ID numbers.

In a food pyramid, which best explains why the number of organisms decreases from one trophic level to the next?
a) Consumers at the lower level require more energy than the top-level consumers.
b) Consumers at the top level require more energy than the lower-level consumers.
c) The consumers are feeding on larger organisms that have less energy.
d) The consumers are feeding on smaller organisms that have less energy.

What type of organisms make up the first trophic level in most terrestrial food chains?
a) producers
b) consumers
c) decomposers
d) carnivores

Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ..... Identify the organisms in the third trophic level.
a) frogs
b) snakes
c) eagles
d) grass

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) decomposer
b) producer
c) consumer
d) top carnivore

Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ...... Identify the organisms in the fourth trophic level.
a) snakes
b) grass
c) grasshoppers
d) eagles

What diagram represents the trophic levels in a food chain in terms of the population of organisms at each level?
a) number pyramid
b) biomass pyramid
c) energy pyramid
d) food pyramid

Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles .... Identify the tertiary consumers in this food chain.
a) snakes
b) grasshoppers
c) frogs
d) eagles

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) number pyramid
d) food pyramid

If you were a vegetarian, you would be a _____ consumer.
a) primary
b) seconary
c) tertiary
d) quarternary

Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ..... Identify the primary consumers in this food chain.
a) grasshoppers
b) frogs
c) snakes
d) grass

What percentage of energy gets transferred from one trophic level to the next?
a) 10%
b) 90%
c) 100%
d) 1%

Grass -- Grasshoppers -- Frogs -- Snakes -- Eagles ...... If the grass contains 10 000 kJ of energy, how much energy will the frogs receive?
a) 100 kJ
b) 1000 kJ
c) 10 kJ
d) 1 kJ

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) 100kJ
d) 1000 kJ

What is the name for organisms that eat tertiary consumers?
a) quaternary consumers
b) primary consumers
c) secondary consumers
d) tertiary consumers

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