In adults of 74 years old and
above, death rates for diarrheal diseases are five times greater. Diarrhea is
caused by infectious organisms, which include bacteria, viruses, protozoa, and
helminths. These organisms are transmitted from the stool of one individual to
the mouth of another. (fecaloral transmission).
Answer and Explanation:
Size of the cell=diameter of field in цm/number of cells across the field
Example:
A student observed a row of 16 epidermal cells in a microscopic field that was 800цm in diameter. Calculate the average length of each cell.
Answer:
size of the cell=8000цm/16
= 500цm.
Adaptation is a heritable trait. The increase of adaptive evolution by the frequency and effectiveness of an advantageous character over time. Organisms became better adapted to their environment. We have so many species in the world because species have adapted to every possible niche. Different habitats and environment have resulted in different modified organisms.
Some of the options for survival and reproduction include genetics ecology, human evolution, molecular evolution, bioinformatics, geology and sociology.
I think the answer is 1, change ammonia into nitrates.
