1.1 Biology & The Biological Hierarchy Flashcards
Pattern
General observations of repetition one sees within a system.
Process
The way in which a pattern occurs
Proximate
Occurs in a short term
Ultimate
Occurs in a long timeframe
Cell Theory
All organisms are made of cells, and all cells came from pre-existing cells
Evolutionary Theory
All life as we know it, is the product of evolutionary processes.
Evolution
The genetic change in a population over time
The Biological Hierarchy
Atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere
Populations
Collections of individuals of the same species
Communities
A collection of populations of different species living together in the same area
Ecosystems
Communities plus their abiotic factors
Biosphere
All the ecosystems put together
Emergent Property
A characteristic that a system has that its individual component does not.