A tissue is group of specialised cells that have a similar structure and function
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What is the definition of an organ?
Made of tissues
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What is DNA?
The nucleic acid molecules that make up chromosomes and carry genetic information
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What is decomposition?
The process of rotting or breaking down
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What is an enzyme?
A protein molecule and biologicl catalyst found in living organisms that helps chemical reactions to take place
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What is evolution?
Changing naturally over a period of time
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What is the defintion of extinction?
A species that has died out
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What is natural selection?
The process which organisms that are better adapted to their environment are able to survive and reproduce, passing on their characteristics to their offspring
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What is homeostasis?
The maintanence of constant internal conditions in the body
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How does Ectasy make you feel?
Makes you feel euphoric
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What is the effect of Ectasy?
Increases blood pressure and heart rate
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What is the increased long term risk of Ectasy?
The increased chance of a heart attack
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What is the other name for alcohol?
A drug
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What can the alcohol intake lead to?
Dehydration
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What is the increased effect of nicotine and cannabis?
Increased heart rate
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What does cannabis reduce whilst nicotine increases?
Blood pressure
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What are the long term effects of cannabis and nicotine?
Heart problems and the increased risk of a heart attack
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What is a hormone?
A chemical messenger which travels around the body in the blood to target organs elsewhere in the body
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What is photosynthesis?
The chemical process that takes place in green plants where water combines with carbon dioxide to produce glucose using light energy
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What is transpiration?
The evaporation of water from plants
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What are the two types of respiration?
Aerobic and Anaerobic
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What is a placebo?
A non-effective dummy pill or treatment
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What is variation?
The differences between individuals or the same species
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What is respiration?
Energy from food
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What is the nervous system?
The brain and spinal cord allows an organism to react to its surroundings and coordinates its responses
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What is the ecosystem?
The living biological and non living physical components of the environment
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Other cards in this set
Card 2
Front
What is the definition of a tissue?
Back
A tissue is group of specialised cells that have a similar structure and function
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