Biology - Characteristics of Living Things (Organisms)

What does the acronym MRS GREN stand for in biology?

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition

What is Movement in living organisms?

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

Define Respiration in biological terms.

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

Explain Growth in the context of living organisms.

A permanent increase in size and dry mass by an increase in cell number or cell size or both.

What is Reproduction in biology?

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

Define Excretion in living organisms.

The removal from organisms of toxic materials, the waste products of metabolism, and substances in excess of requirements.

What does Nutrition entail for living organisms?

The taking in of materials for energy, growth, and development; plants require light, carbon dioxide, water, and ions; animals need organic compounds, ions, and usually need water.