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.

Taxonomy Vocabulary

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

Cells Vocabulary

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

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