An organism that makes its own food by photosynthesis. They are the starting point of all food chains.
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Consumer
Organism that eats something.
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Predator
Consumer that hunts.
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Prey
Consumer that is hunted.
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Transect
Sampling method which samples at regular spaces along a ***** to measure the variation of a species.
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Quadrat
Sampling technique where a metal square is placed randomly in an area to determine an estimate of the population of a species.
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Mean
Average. Add up the values and divide by the number of results used.
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Mode
Most common value.
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Median
The value that is half the range of results.
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Extremophile
An organism adapted to live in an extreme environment.
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Adaptation
A feature which gives an organism a survival advantage.
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Plants in cold environments
Have thick bark to provide insulation; keep their leaves all year to reduce energy expenditure; have downward sloping branches to allow snow to slide off
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Plants in hot environments
Have fewer stomata to reduce water loss by transpiration; a thicker waxy cuticle to reduce water loss; may have a fleshy stem to store water; long or wide spread roots to absorb more water
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Animals in cold environments
Have thick layers of fur and blubber for insulation; are smaller and squarer to reduce surface area and reduce heat loss
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Animals in hot environments
Reduce water loss by sweating less; are nocturnal to avoid the hottest part of the day; are tall and thin to give a larger surface area for hot loss
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Levels of organisation:
...
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Adaptations:
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Other cards in this set
Card 2
Front
Organism that eats something.
Back
Consumer
Card 3
Front
Consumer that hunts.
Back
Card 4
Front
Consumer that is hunted.
Back
Card 5
Front
Sampling method which samples at regular spaces along a ***** to measure the variation of a species.
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