When an aimal adapts to its environment in different seasons, meaning that it won't be seen by predators, and it can provide foor for itself. E.g: An animal may change the colour of its fur to white in winter,as to provide a camoflage in the snow.
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There are three ways of sampling an object. What are they?
Pond dipping, pitfall traps, or tracks/footprints.
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What is Pond Dipping?
Taking samples of water organisms by putting a net or a jar into parts of a pond.
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What is a pitfall trap?
A container in the ground. Small animals fall into it and are therefore trapped in the pot. A problem with this is that if too many insects gather in the pot, it will be easier for them all to escape.
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Why does the number of organisms go down as you go along a food chain?
Because energy is lost at each stage.
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Why are some pyramids of numbers not shaped like a pyramid?
Because pyramids of numbers do not take the sizes of organisms into account. E.g: The bottom section of the pyramid may be a lot smaller than the one above it, as there are lots more in comparison to the one below, although they still consume it.
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Other cards in this set
Card 2
Front
In this food chain 'Shrimp-->Tuna-->Dolphin', what would happen if there were less dolphins?
Back
This would mean that there would be more tuna, as there are less dolphins to eat them, but less shrimp, as there are now more tuna to eat them.
Card 3
Front
What is a producer?
Back
Card 4
Front
What is a consumer?
Back
Card 5
Front
In this food chain 'Seaweed-->Fish-->Seal-->Shark', name the producer, primary consumer, secondary consumer and the tertiary consumer.
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