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Chapter 1 Section 1

The World of Biology

biology the study of life
organization the high degree of order within an organism's internal and external parts and in it's interactions with the living world
cell in Biology, the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cycoplasm
unicellular describes an organism that consists of a single cell
multicellular describes a tissue organ or organism that is made of many cells
organ a collection of tissues that carry out a specialized function of the body
tissue a collectio of specialized cells and cell products that perform a specific function
organelle one of the small bodies that are found in the cytoplasm of the cell and that are specialized to perform a specific function
biological molecule chemical compounds that provides physical structure and bring about movement, energy use, and other cellular functions
homeostasis the steady-state physiological condition of the body
metabolism the sum of the chemical process that occurs in an organism
cell division the formation of two cells from one existing cell
development the gene-directed process by which an organism matures
reproduction the process of producing offspring
gene a short segment of DNA that contains the instructions for a singe trait
Created by: campbellm19