Levels of Organization Atom Smallest unit of Matter

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=VOQz. WLe. Zo Ec

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=g. Fu. Eo 2 cc. TPA

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=ZRFykdf 4 k. Dc

Exit Slip • Is water considered living? Why or why not?