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Science
Biology
Life Science
Bio Exam 1
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Gravity
Terms in this set (48)
Biology
the study of living things
BIO
life
ology
study of
Do we have a simple definition of "life"
not really
A characteristic of living things
contain organic molecules *carbon based
the organic molecules living things contain
proteins
carbohydrates
lipids
nucleic acid
what are living things composed of
cells
what is the smallest functional unit of life
cell
unicellular
1 cell - bacteria, yeasts, protists
mulicellular
Trillions of organized cells
cells come from pre-existing cells
cell division
how do living things grow
they continue their species through reproduction using genetic material
DNA
where do living things get their energy and nutrients from
the environment
how do we "obtain" nutrients
we consume food
how do we get and and use energy from our food
by chemical reactions
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