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19 terms

What is Biology?

STUDY
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Biology
study of life or living things
Organism
living thing
Cells
smallest unit of life
Unicellular
one-celled
Microorganism
organisms that cannot be seen without a microscope
Multicellular
living things made up of more than one cell
Protoplasm
living substance inside of cell. Jelly-like.
Energy
ability to do work, powers life processes
Homeostasis
regulation of an organism's internal environment to maintain conditions suitable for life. BALANCE
Growth
increase in size
Development
changes in shape/form
Life span
period of time an organism lives
Reproduction
process of producing offspring
Species
types of living things
Asexual reproduction
requires one parent, exact copy of parent using fission.
Sexual reproduction
requires two parents, cells from two cells join to create a nonidentical offspring
Environment
place where organism lives and includes everything around it that affects its life
Adapt
to change to fit the new conditions
Adaptions
modifications to make organism better able to function.