Levels of Biology
이 집합의 용어 (11)
Atoms
the smallest unit of an element; all matter is composed of atoms
molecules
a group of two or more atoms chemically bonded together (marcomolecules are large molecules)
Organelles
structures or organs of the cell
Cells
the simplest unit of life
Tissues
many cells of the same type that perform a specific function
Organs
two or more types of tissues performing a specific function
Organisms
individual living "things" made up of a collection of different organs
Population
a group of organisms of the same species occupying the same environment
Community
all organisms (different species) that interact with one another in a particular environment
Ecosystem
interactions of a community of organisms with their physical environment
Biosphere
the worldwide ecosystem (earth) including in the air, in bodies of water, on the land, and in the soil.