Honors Bio - Organization of Matter

Subatomic Particles

Components of atoms

Atom

Smallest particle of an element

Molecule

Two or more atoms linked by covalent bonds

Macromolecule

Large molecule made of smaller molecules

Organelle

Part of a cell with a specific function

Cell

Basic unit of living matter

Tissue

Group of similar cells that perform a specific function

Organ

Several tissues that perform a specific task

Organ System

Multiple organs that perform a vital body function

Organism

A living thing

Population

Individuals of the same species living in the same area at the same time

Community

All organisms living in one area

Ecosystem

Community of living things plus nonliving features of the environment

Biome

Large region with a specific climate and organisms

Biosphere

All parts of Earth where life exists

Organization of Matter Order

Subatomic Particles → Atom → Molecule → Macromolecule → Organelle → Cell → Tissue → Organ → Organ System → Organism → Population → Community → Ecosystem → Biome → Biosphere