Tissue- A group layer of cells that preform specific functions.
Organ- A grouping of tissue in a distinct structure.
Unicellular- Made of a single cell.
Multicellular- consisting of many cells.
Autotroph- An organism that is able to capture energy from sunlight or chemicals and use it produce it's own food.
Heterotroph- An organism that cannot make it's own food and gets it's food by consuming other living organisms.
Prokaryotic- A unicellular organism that lacks a nucleus and some other cell sructures.
Eukaryotic- Any organism having as it's fund a mental structural unit a cell type that contains specialized oranelles in the cytoplasm.
Abiotic Factor- A nonliving part of an organism's habitat
Biotic Factor- A living or once living part of an organism's habitat
Ecosystem- The community or organisms that live in a particular area, along with their nonliving environment
Habitat- An environment that provides the things a specific organism needs to live, grow, and reproduce
Organism- A living thing
Population- All the members of one species living in the same area
Community- All the different populations that live together in a particular area.
Classification- The process of grouping things based on their similarities.
Taxonomy- The scientific study of how living things are classified
Cell- The basic unit of structure and function in living things
Cell Membrane- A thin flexible barrier that surrounded a cell and controls which substances pass into and out of a cell
Cell Wall- A rigid supporting layer that surrounds the cells of plants and some other organisms
Organelle- A tiny cell structure that carries of a specific function within the cell