Vocab, chp 2. 1/10/08
Terms
undefined, object
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- homeostasis
- the maintenance of a stable internal environment
- asexual reproduction
- when a single parent produces offspring that are identical to the parent
- phospholipids
- the molecules that form much of the cell membrane
- heredity
- the transmission of characteristics from one generation to the next
- consumers
- organisms that must eat(consume) other organisms
- lipids
- compounds that cannot mix with water
- sexual reproduction
- production that always requires two parents to produce offspring that will share characteristics of both parents
- metabolism
- the total of all the chemical activities that an organism performs
- ATP
- odenosine triphosphate; the molecule that provides energy for a cell's activities
- proteins
- a biochemical that that is composed of amino acids; its functions include regulating chemical reactions, transporting and storing materials, and providing support.
- decomposers
- organisms that get their food by breaking down the nutrients in dead organisms or animal wastes
- producers
- organisms that can produce their own food
- cell
- a membrane covered structure that contains all of the materials necessary for life.
- DNA
- hereditary material that controls all the activities of a cell, contains the information to make new cells, and provides instructions for making proteins
- nucleic acids
- a biochemical that stores information needed to build proteins and other acids; made up of subunits called nucleotides