Levels of Biological Organization Vocabulary

A set of vocabulary flashcards defining the levels of biological organization from atom to biosphere based on the provided text.

Atom

The basic unit of matter that combines to form molecules.

Molecule

Two or more atoms chemically bonded together.

Organelle

Specialized structures within a cell that perform specific functions.

Cell

The basic structural and functional unit of life.

Tissue

A group of similar cells working together to perform a function.

Organ

A structure made up of different tissues performing a specific function.

Organ System

A group of organs working together to perform major functions.

Organism

An individual living thing.

Population

A group of similar organisms living in the same area at the same time.

Community

All the populations of different species living and interacting in an area.

Ecosystem

A community of organisms and their nonliving environment interacting with one another.

Biosphere

The zone of life on Earth where all ecosystems exist.