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The Basis of Life Vocabulary. Cells. Vocabulary. Cell – a basic unit of structure and function in living things. Nucleus – a structure within a cell that contains the cell’s DNA and is responsible for growth and reproduction.
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Vocabulary • Cell – a basic unit of structure and function in living things. • Nucleus – a structure within a cell that contains the cell’s DNA and is responsible for growth and reproduction. • Cell theory – The theory that all living things are made of cells and all cells come from other cells.
Vocabulary Continue • Microscope – a tool Scientist use to identify organisms that are composed of cells. • Unicellular – organisms made up of only one cell. • Multicellular – organism made of many cells. • Prokaryote – an organism whose cells do not contain a nucleus.
Vocabulary Continue • Eukaryote – an organism whose cells do have a nucleus. • Autotroph – organisms, known as producers in a food chain, capable of synthesizing their own food by a process known as photosynthesis; all plants and some forms of bacteria come under this category.
Vocabulary Continue • Heterotroph – organisms, known as consumers in a food chain, which cannot synthesize their own food; carnivores, herbivores, omnivores, and saprobes fall under this category.