The process by which organisms keep their internal conditions relatively stable

A method of reproduction in organisms

The ability to adapt to environmental changes

A type of cellular respiration

Having more than one cell

Consisting of a single cell

Able to live independently

Capable of photosynthesis

A combination of two or more elements

A single element

A mixture of different compounds

A solution of gases

The smallest part of a compound

A type of chemical bond

A large structure made of atoms

A mixture of different substances

Smallest part of an element that can be identified as that element

A type of molecule that contains two or more atoms

The center of an atom where protons and neutrons are located

A particle that carries a negative charge

Having one cell

Consisting of multiple cells

A type of multicellular organism

A cell that can live independently

The basic unit of structure and function in all living things

A type of organelle found in plant cells

A group of tissues working together

The smallest particle of an element

The process by which organisms create energy

The way organisms make more of their own kind

A method of communication among species

The cycle of life and death in ecosystems

A new organism produced by a living thing

A type of genetic mutation

A stage in the life cycle of a plant

A method of reproduction in bacteria

A change in the environment that causes a response—plural stimuli

A type of response to a specific situation

An object that triggers a reaction

A method of measuring environmental changes

The ability to do work and cause change

A measure of the amount of matter in an object

The force that opposes motion

A type of renewable resource

A type of plant

Any living thing

A non-living entity

A specific species of animal