Subatomic Particles The Particles that Make up atoms Example: Electrons (-) Protons (+) Neutrons

Atom Smallest particles of an element that have the properties of that element. Made of subatomic particles. Examples: Water is made of three atoms. 2 Hydrogen, 1 oxygen

Molecules An uncharged group of atoms that are held together by a covalent bond. Example: Water, DNA, Amino acids, ect….

Organelles Structures inside of cells that carry out specific functions. Examples: Ribosome – Makes proteins Nucleus- Control center Mitochondria- power house

Cells Smallest basic unit of structure and function in living things that show the characteristics of life. Examples: Skin cells, Bacteria, muscle cells Will make up single celled organisms

Tissue Groups of cells that are near each other and help perform a similar function. Usually form an organ. Examples: Skin Tissue, Liver Tissue, leaf Tissue

Organ Groups of Tissues that work together for a particular function. Examples: Liver, Kidney, Eye, Heart

Organ System A group of organs that work together to perform a specific function Example: Respiratory system, Urinary system, Endocrine system, cardiovascular system

Multicellular Organism Organism made of many cells, Tissues, organs, and organ systems. Example: Humans, Birds, plants Anything from Kingdom: Animalia, plantae, Fungi

Species A group of organisms that are structurally similar and can mate and produce offspring that are also structurally similar. Examples: Humans, mountain Lions, E.coli Bacteria

Population Group of the same species living in close proximity to each other. Example: People living in a city, Bullfrogs in a pond, Bats living in a bat house…. Ect…

Community All of the populations of different organisms living in a certain area Example: All of the organisms in a pond.

Ecosystem A community and the physical environment that it occupies (All living and non Living components Example: The rainforest, The Tundra, Mountains, Deserts