There are 5 levels of cell organization recognized by biologists.
Biogenesis, the fir tree began life when fertilization occurred to produce a singlee cell.
The answer is B.
It describes the relationship between photosynthesis and respiration accurately.
Question for number 4 is C
Answer:
increases in crop productivity brought about by genetic engineering can help relieve problems faced by farmers by decreasing the losses caused by pests, disease, weeds,
Explanation:
