Levels of Organization
Atom Smallest unit of Matter Made of Protons, Neutrons, and Electrons Examples: Carbon Atom Oxygen Atom Nitrogen Atom NONLIVING
Molecule Smallest unit of a substance that retains its original properties Made of multiple atoms of the same element or different elements Examples: Carbon Dioxide Caffeine Carbohydrates NONLIVING
Video Atoms, Elements, & Compounds https://www.youtube.com/watch?v=VOQzWLeZoEc
Organelle A cell structure with a specific job Made of compounds such as Carbohydrates, Lipids, Proteins, and Nucleic Acids Examples: Ribosome Chloroplast Mitochondria NONLIVING
Cell The SMALLEST thing that meets ALL of the Characteristics of Life; performs all functions of life Made of Organelles and Molecules Examples: Plant Cell Animal Cell Bacterial Cell LIVING
Video Introduction to Cells https://www.youtube.com/watch?v=gFuEo2ccTPA
Tissue A group of cells that work together to perform a common function Made of cells and cell products (proteins, etc.) Examples: Connective Tissue Muscle Tissue Nervous Tissue LIVING
Organ A group of tissues working together to perform a common function Made of 1 or more types of tissue Examples: Heart Liver Skin LIVING
Organ System A group of Organs working together to perform a common function Made of Organs &Tissues Examples Digestive System Cardiovascular System Skeletal System LIVING
Multicellular Organism A living thing made of many cells which are specialized to perform different functions necessary for the organism to live Made of Cells, Tissues, Organs, & Organ Systems Examples: Grasshopper Human Starfish LIVING!!!
PLANTS HAVE THESE TOO!
Video Cells, Tissues, Organs, & Organ Systems https://www.youtube.com/watch?v=ZRFykdf4kDc
Exit Slip Is water considered living? Why or why not?