All cells have outer membrane or plasma membrane, cytoplasm, a cell wall, a nucleus, protoplasm, large vacuoles, chloroplasts,

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

How many major plates cover the earth

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve