biology

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biodiversity
a measure of the totoL number of different species in an area
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speciation
formation of a new species
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alleles
different forms of same gene
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nucleus
it holds all your infomation-DNA
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DNA
checimal that makes up genes and chromesones
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gene
a section of DNA that carries the instuctions for a characteristic
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chromesones
a long thread of a molecule called DNA
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homeostasis
the way in which the body blances its internal environment- controlled by the hypothalomus in the brain
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hypothalamus
tells the body if too hot or too cold and tells it too change it back to normal
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vasodilation
the blood vessels get bigger when too hot
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vasoconstriciton
when blood vessels get smaller when too cold
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osmoregulation
controls water content
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glucose
a simple sugar-absorbs in blood when you eat
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insulin
hermone and a checimal messanger
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phototropism
light-growth
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hydrotropism
water-growth
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geotropism
gravity-growth= a response to gravity
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auxin
growth checimal
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tropism
any response to a stimulus
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drug
a substance that changes the way the body works
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medical drugs
limit damages from injuries or diseases
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recreational drugs
used to make people feel a certain way
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tar
contains carcinogen=increases risk of cancer in lungs,mouth and throat
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carbon monoxide
poisnous gas=reduces the amount of oxygen the red blood cells can carry
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nicotine
addictive drug in tobacco
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microorganism
a very small single cell such as bacteria,fungi and viruses
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pathogen
a microorganism which causes disease
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infectious disease
a disease which is passed from person to person
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immune system
the bodys defence mechanism against disease
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toxin
poison
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antiseptic
checimals that destroy pathogens before they enter the body
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antibiotics
capable of killing bacteria and some fungi
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antifungals
kill fungal infections
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mrsa
strain of a commom bacterium
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interdendence
organisms rely on eachother for their food
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biomass
stored energy in the tissue of living things
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parasite
feeds on nutrients from the host, but doesnt kill them
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Card 2

Front

speciation

Back

formation of a new species

Card 3

Front

alleles

Back

Preview of the front of card 3

Card 4

Front

nucleus

Back

Preview of the front of card 4

Card 5

Front

DNA

Back

Preview of the front of card 5
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