Biology

What is inherited variation?
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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What is a 'joint'?
Where bones meet
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What is a 'tendon'?
A strong tissues which attaches muscle to bone
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What are the 7 life processes?
Movement, Respiration, Sensitivity, Growth, Respiration, Excretion, Nutrition
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What do scientists use genetic engineering for?
Scientists use it to add, remove or alter an organism's genes.
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What is cartilage?
It is a firm, flexible connective tissue that acts as a shock absorber
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What are the four joints in the body and give an example of where they are?
Ball and socket-shoulder/hip Fixed joint-skull Hinge joint-elbow/fingers Pivot joint-neck
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What is the equation fo respiration?
Glucose + Oxygen --> Carbon dioxide + Water
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What is the equation fo photosynthesis?
Carbon dioxide + Water --> Glucose + Oxygen
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What is a 'ligament'?
Joins bone to bone and stables the joint
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How do you work out magnification?
Image size ÷ actual size
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Other cards in this set

Card 2

Front

What is environmental variation?

Back

Environmental variation is caused by our surroundings e.g. the weather

Card 3

Front

What does a root hair cell do?

Back

Preview of the front of card 3

Card 4

Front

What does a red blood cell do?

Back

Preview of the front of card 4

Card 5

Front

What does a palisade cell do?

Back

Preview of the front of card 5
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