The smallest unit of life would be the cell, for every living thing is made of cells, and no living thing is smaller.
A:110 B:40 C:10 but good job on B
Answer:
Environmental Tobacco Smoke
The stomata closes down at night when there is no sun and there's no photosynthesis. It also closes down when the air is dry and when it's hot so as to prevent excessive loss of water.
We can use the word RINGER to memorize the characteristic of living things.
Respiration - the ability to breathe and respire.
Irritability - the ability to detect and react to stimulus
Nutrition - taking in nutrients (eg. Food) for energy to growth, repair etc
Growth - the permanent increase in size and mass
Excretion - to get rid of toxic, waste or excess materials
Reproduction - to make more of that organism.
In addition, there is also movement, which is an action which causes a change in place or position.
Only the organisms with these characteristics are categorized as living things.