Biology (0610) - Characteristics of Living Organisms

Movement

An action by an organism or part of an organism causing a change of position or place.

Respiration

The chemical reactions in cells that break down nutrient molecules and release energy for metabolism.

Sensitivity

The ability to detect and respond to changes in the internal or external environment.

Growth

Permanent increase in size and dry mass.

Reproduction

The processes that make more of the same kind of organism.

Excretion

The removal of the waste products of metabolism and substances in excess of requirements.

Nutrition

The taking in of materials for energy, growth and development.

Metabolism

The chemical reactions that take place in living organisms.

Dry mass

The mass of an organism after it has been killed and all water removed from it.

Fertile

Able to reproduce.

Genus

A group of species that share similar features and a common ancestor.

Species

A group of organisms that can reproduce to produce fertile offspring.