WorksheetsWeek 2, Food chains, food webs and pyramids
Total questions: 10
Worksheet time: 5mins
Which organism is a detrivore?
A bottle brush
A possum
A blue tongue lizard
A worm
In which direction does the arrows in a food chain point?
Towards the producer
Away from the tertiary consumers
Towards the tertiary consumer
Away from the decomposer
Gross primary production refers to:
The amount of energy that has been converted to chemical energy by autotrophs
The amount of food available for the carnivores in a food chain
The amount of energy available for an organism to grow
The amount of energy passed on to herbivores by producers
Why is the biomass of zooplankton larger than for the phytoplankton
phytoplankton are lager than zooplankton
the growth rate of phytoplankton is greater than that of zooplankton
there are fewer zooplankton compared with phytoplankton
zooplankton feed on a variety of organisms, including phytoplankton
What is the energy transfer between the herring and the mackerel?
1%
5%
10%
45%
Identify a producer
Termites
Wattle tree
Wombat
Crickets
Identify a secondary consumer
Echidna
Termites
Dingo
Emu
This pyramid is known as a ...
An ecological pyramid
A pyramid of energy
A pyramid of biomass
A pyramid of numbers
All geckos are insectivorous, but will also eat smaller lizards and sometimes frogs. Which position in a food web would the occupy?
A primary consumer
A secondary consumer
A tertiary consumer
A producer
Which of the following animals would be a specialist consumer?
koala
dingo
gecko
fungi
