Answer:
The correct answer is option a. "hematopoietic (blood) cells, or the cells that give rise to mature blood cells".
Explanation:
Leukemias and lymphomas are two forms of blood cancer. The difference between leukemias and lymphomas, is that leukemia affects the blood and bone marrow, and lymphoma affects only the lymph nodes. Wherever the location affected by these two diseases, Leukemias and lymphomas arise from the transformation of hematopoietic (blood) cells (or the cells that give rise to mature blood cells) into hematologic malignancies.
Pretty sure it is D. Which makes it easier to study a group of species and find out what makes them flourish in that environment.
There are plenty of plants producing oxygen by photosynthesis.
Also, human's only use 5% of the oxygen in the air in respiration, there is 21% in the air.
