A scientific system that uses a two-part name for identifying species, consisting of the genus and species.

An organism that obtains its food by consuming other organisms rather than producing it themselves.

An organism made up of a single cell, often microscopic and simple in structure.

The scientific study of how living things are classified and organized into groups.

A group of closely related species that can mate and produce fertile offspring.

An organism whose cells contain a nucleus and other membrane-bound organelles.

An organism, typically fungi, that breaks down dead organic material, recycling nutrients back into the ecosystem.

A tool used to identify organisms by following a series of choices between two statements about their characteristics.

A group of animals that do not have a backbone.

A kingdom that includes all plants, characterized by their ability to perform photosynthesis.

An organism, like fungi, that breaks down dead organic material.

A plant with specialized tissues (roots, stems, leaves) for moving water and nutrients.

A single-celled organism that lacks a nucleus.

A group of closely related species.

The broadest and most inclusive taxonomic rank, larger than a kingdom.

A system of arranging organisms into groups based on similarities.

Made of many cells.

The process plants use to convert sunlight, water, and carbon dioxide into food.

An organism that can produce its own food, usually through photosynthesis.