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biology

is the study of life

cell

are highly organized, tiny structures with thin coverings called membrane

reproduction

The process by which organisms make more of their own kind from one generation to the next

metablism

sum of all chemical reactions

homeostasis

the maintenance of stable internal conditions

genes

sets of inherited instructions for making proteins

heredity

the passing of traits from parent to offspring

mutation

a change in the DNA of a gene

evolution

Change in the inherited traits of species over time

species

A group of genetically similar organisms that can produce fertile offspring

natural selection

the process by which organisms with favorable variations reproduce at higher rates than those without such variations

ecology

is the science that studies the interactions of living organisms

HIV

the virus that causes acquired immune deficiency syndrome (AIDS)

cancer

any malignant growth or tumor caused by abnormal and uncontrolled cell division

cystic fibrosis

is a fatal disorder in which abnormally thick

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