Inherited variation is characteristics that you get from your parents e.g. eye colour
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What is environmental variation?
Environmental variation is caused by our surroundings e.g. the weather
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What does a root hair cell do?
A root hair cell absorbs water from soil. It is found in the roots of a plant.
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What does a red blood cell do?
A red blood cell transports oxygen around the body. They are found in the blood and have a biconcave shape to allow more oxygen to enter the cell quickly and easily.
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What does a palisade cell do?
Palisade cells are found in the leaves of plants and contain lots of chloroplasts which is where photosynthesis takes place.
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What does a nerve cell do?
Nerve cells are thin and long and transmit electrical impulses throughout the body.
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What does a ciliated epithelial cell do?
These cells have hair on them and help to remove trapped germs and dirt from the airways.
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What is another word for cell division?
Mitosis
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What is the definition of 'learned behaviour'?
Behaviour patterns that we are not born with but develop with experience.
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What is the definition of 'reflex'?
A rapid, automatic response to a stimulus which we are born with.
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What does 'antagonistic' mean? Give an example
Pairs of muscles that create movement when one contracts and the other relaxes. e.g. biceps/triceps
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