Characteristics of Living Organisms

Flashcards covering the key 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 or sense stimuli in the internal or external environment and to make appropriate responses.

Growth

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

Excretion

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

Reproduction

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

Nutrition

The taking in of materials for energy, growth, and development; plants require light, CO₂, water, and ions; animals need organic compounds and ions and usually need water.

Movement

is an action by an organism or part of an organism causing a of position or .

Respiration

is the chemical reactions in cells that break down molecules and release for metabolism.

Sensitivity

is the ability to detect or sense _ in the internal or external ____ and to make appropriate _____.

Growth

is a permanent increase in size and dry by an increase in cell or cell ____, or both.

Excretion

is the removal from organisms of the waste products of , toxic materials, and substances in of requirements.

Reproduction

is the processes that make more of the same _ of organism.

Nutrition

is the taking in of materials for , growth, and development; plants require light, , water, and ; animals need organic and ions and usually