biology ch 1 Flashcards
tissue
group/ layer of cells that work together to perform a specific function
biosphere
part of earth that supports life
community
interacting group of various species in a common location
ecosystem
biological community of intereacting organisms and their physical enviorment
emergent properties
result from specific arrangement/interactions of component parts
biology
scientific study of life
cell
basic unit of living matter seperated from its environment by plasma membrane
organelle
any number of organized and specialized structure within a living cell
molecule
group of atoms bonded together
systems biology
approach to studying bio that aims to model dynamic behavior of whole biological systems based on a study of the interactions among the systems parts
gene
unit of hereditary info consisting of specific nucleotide sequence in DNA
gene expression
genetic info that flows from gene to proteins
artificial selection
selective breeding of domesticated plants and animals to promote the occurence of desirable traits