B1 Characteristics of living things Flashcards
1
Q
What is respiration?
A
The chemical reactions in cells that break down nutrients and release energy for metabolism
2
Q
What is irritability/sensitivity?
A
The ability to detect changes in the external or internal environment and respond accordingly.
3
Q
What is nutrition?
A
The process of taking in nutrients for energy, growth and development.
4
Q
State what each type of organism needs specifically? (nutrition)
A
Plants: carbon dioxide, light , water, ions
Animals: organic compounds, ions, and water
5
Q
What is growth?
A
Growth is the permanent increase in size or dry mass by an increase in number of cells or cell size
6
Q
What is movement?
A
The action of changing position or place.
7
Q
What is excretion?
A
Removal of waste, toxic, or excess materials.
