Chapter 1- Characteristics Of Living Organisms

Question 1

Movement

Answer 1

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

Question 2

Respiration

Answer 2

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

Question 3

Sensitivity

Answer 3

The ability to detect or sense stimuli in the internal and external environment and to make appropriate responses.

Question 4

Growth

Answer 4

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

Question 5

Reproduction

Answer 5

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

Question 6

Excretion

Answer 6

The removal from organisms of the waste products of metabolism (chemical reactions in cells including respiration), toxic materials, and substances in excess of requirements.

Question 7

Nutrition

Answer 7

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