Term
|
Definition
| The scientifc study of life |
|
|
Term
|
Definition
| Any of the world's major ecosystem types, often classified acccording to the predominant vegatation for terrestrial biomes and the physical environment for aquatic biomes and characterized by adaptations of organisms to that particular environment. |
|
|
Term
|
Definition
| All the organisms in a given area as well as the abiotic factors with which they interact; one or more communites and the physical environment around them. |
|
|
Term
|
Definition
| All the organisms that inhabit a particular area; an assemblage of populations of different species living close enough together for potential interaction. |
|
|
Term
|
Definition
| A population or group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring, but do not produce viable, fertile offspring with members of other such groups. |
|
|
Term
|
Definition
| A group of individuals of the same species that live in the same area and interbreed, producing fertile offspring. |
|
|
Term
|
Definition
| Individual living things. |
|
|
Term
|
Definition
| A group of organs that work together in performing vital body functions |
|
|
Term
|
Definition
| Tissue is an integrated group of cells with a ocmmon structure, function, or both. |
|
|
Term
|
Definition
| The fundamental unit of structure and function. |
|
|
Term
|
Definition
| Any of several membrane-enclosed structures with specialized functions, suspended in the cytosol of eukaryotic cells. |
|
|
Term
|
Definition
| New properties that arise with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases. |
|
|
Term
|
Definition
| The approach of reducing complex systems to simpler compomemts that are more manageable to study. |
|
|
Term
|
Definition
| Pertaining to the living factors - the organisms - in an environment. |
|
|
Term
|
Definition
| Nonliving; referring to the physical and chemical properties of an environment. |
|
|
Term
|
Definition
| Organisms with prokaryotic cells. (no membrane-enclosed nucleus, or membrane enclosed organelles.) |
|
|
Term
|
Definition
| Organisms that contain eukaryotic cells (protists, plants, fungi, and animals.) |
|
|
Term
|
Definition
| A taxonomic category, the second broadest after domain. |
|
|
Term
|
Definition
| A taxonomic category about the kingdom level. The three domains are Archaea, Bacteria, and Eukarya. A discrete structural and functional region of a protein. |
|
|
Term
|
Definition
| One of the two prokaryotic domains, the other being Bacteria |
|
|
Term
|
Definition
| One of the 2 prokaryotic domains, the other being Archaea. |
|
|
Term
|
Definition
| An informal term applied to any eukaryote that is not a plant, animal, or fungus. Most protists are unicellular, though some are colonial or multicellular. |
|
|
Term
|
Definition
| "Nothing in biology makes sense except in the light of evolution." |
|
|
Term
|
Definition
| Descent with modification; the idea that living species are descendants of ancestral species that were different from the present day ones; also defined more narrowly as the change on the genetic composition of a population from generation to generation. |
|
|
