Unit 9 vocabulary review

The theory that states that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells

• cell theory

• germ theory

• evolutionary theory

• atomic theory

An organism that eats plants or animals for energy and nutrients

• autotroph

• heterotroph

• decomposer

• carnivore

An organism that can produce its own food using light, water, carbon dioxide or other chemicals

• heterotroph

• autotroph

• saprotroph

• parasitic organism

A living thing that is made of only one cell

• multicellular

• unicellular

• bacterial

• viral

a membrane-surrounded component of a eukaryotic cell with a specialized function

• organelle

• nucleus

• cytoskeleton

• ribosome

A cell that has genetic material and other organelles that are surrounded by a membrane

• prokaryote

• eukaryote

• virus

• bacterium

modification of an organism or its parts that makes it more fit for existence under the conditions of its environment : a heritable physical or behavioral trait that serves a specific function and improves an organism's chances for survival

• Adaptation

• Mutation

• Evolution

• Natural Selection

Genetic material that is the molecular basis of heredity through reproduction

• RNA

• DNA

• Proteins

• Lipids

An explanation of observations or events that is based on knowledge gained from many observations and investigations.

• hypothesis

• theory

• law

• principle

An optical instrument using one or more lenses to make enlarged images of objects

• telescope

• microscope

• periscope

• stethoscope