When a virus attacks a cell, it kills the cell and the virus multiplies to spread throughout the body
In living organisms, cell division is the means by which development and growth take place. The survival of the living cells depend on interaction with other cells. The process of cell division in developmental stages of growth involves round of cell divisions during which the cell become increasingly more specialized and organize in certain pattern. This interaction during this stage mold the overall morphology of the organism.
Answer:
Without oxygen, life on Earth would not exist as we know it. It has provided the supercharged air that has fuelled an explosion in the diversity and size of all living organisms, from the smallest shrimp to the biggest dinosaur
Answer:
B.
Theories unify a broad range of observations and hypotheses.
