Biology Basics Flashcards
What is Biology
The Scientific Study of life.
Cell Theory (In a Nutshell)
- All living things are made up of one or more cells and their living products.
- The cell is the simplest unit that can carry out all life processes.
- All cells come from other cells; they do not come from non-living matter.
Hierarchy of Organization
The following is based on least inclusive levels to most inclusive (amount of things that they make up).
Atoms, Molecules, Organelles, Cells, Tissues, Organs, Organ Systems, Organisms, Populations, Community, Ecosystem, Biomes, Biosphere.
Hierarchy of Organization: Organisms
Species
Hierarchy of Organization: Populations
Localized groups of organisms that belong to the same species.
Hierarchy of Organization: Community
Populations of species that live in the same area.
Hierarchy of Organization: Ecosystem
The interactions between different communities.
Hierarchy of Organization: Biomes
Large scale communities.
Hierarchy of Organization: Biosphere
The sum of all Earth’s Ecosystems.