Characteristics of Living Organisms Flashcards
Learn the seven characteristics of living organisms
1
Q
Respiration
A
Chemical reactions that break down molecules in living cells to release energy.
2
Q
Irritability/Sensitivity
A
The ability to detect changes in the environment and react to them.
3
Q
Nutrition
A
The taking in of nutrients - organic molecules and mineral ions - to provide raw materials for growth, repair and reproduction.
4
Q
Growth and Development
A
The processes by which an organism changes in size and form.
5
Q
Excretion
A
The removal from organisms of toxic materials, waste products of metabolism and substances in excess of requirements.
6
Q
Reproduction
A
The process that makes new organisms of the same species as the parent(s).
7
Q
Movement
A
Moving in response to external stimuli. Not always considered a characteristic of life.
