Answer:
If the birth rate is greater than death rate.
The most common pathogen then carry is protozoa , that causes malaria
Answer:
permeability
Explanation:
dictionary definition: the state/quality of a material or membrane that causes it to allow liquids or gases to pass through it
in biology we use this term to describe the cell membrane, it is "semi-permeable" because it allows certain gasses and molecules to pass through
