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WorksheetsTopic 1. Revision Quiz 1
Total questions: 10
Worksheet time: 20mins
Ecosystems are (a) of organisms living together that interact with each other and their environment.
Ecosystems consist of living (______) factors and non-living (non-______) factors.
(a)
Draw a food chain of your choice with four trophic levels, ensuring the arrows are pointing the correct way:

Explain why arrows show the flow of energy in a food chain/web, and how we can use this to determine the diet of an organism.
A lion is a _________.
herbivore
omnivore
carnivore
detritivore
Another name for a decomposer is a _________.
carnivore
herbivore
omnivore
detritivore
True/False - Primary consumers are all herbivores.
True
False
Producers are called __________ because they are 'self-feeders'.
autotrophs
heterotrophs
If only 10% of the available energy is passed on to the next trophic level, calculate how much energy each organism received in this food chain if the lizard got 364 joules.
Answer the following with reference to the food web depicted:
a) Find an example of a carnivore, herbivore and omnivore
b) Humans started overfishing bivalves - list two possible outcomes if this were to occur
