B1- Characteristics of Living Organisms Flashcards Preview

IGCSE Coordinated Science 2016-2017 > B1- Characteristics of Living Organisms > Flashcards

Flashcards in B1- Characteristics of Living Organisms Deck (7)
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1

Nutrition

The taking in of nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repair, absorbing and assimilating them

2

Excretion

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

3

Respiration

The chemical reactions that break down nutrient molecules in living cells to release energy

4

Sensitivity

The ability to detect or sense changes in the environment (stimuli) and to make responses

5

Reproduction

The processes that make more of the same kind of organism

6

Growth

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

7

Movement

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