Because then you get a infection
The correct answer is C. This part is called the epithelium.
It is the muscular coat which consists of inner circular and outer longitudinal smooth muscle. Its main work is peristalsis.
To propel urine. The outer layer is the mucosa which has transitional epithelium that continuos with the lining of the renal pelvis and also the urinary bladder.
This layer of its work is to secrete mucus which protects and coats the surface of the cells.
The answer is a process that selects variation that help survival and that spreads the variation to more offsprings.
The idea is that there is a higher chance of survival if the organisms has certain characteristics and it is more likely to pass on their genes of this characteristic to the next generations.
For example, there's dark colored fish and white fish. In the deep ocean, dark colored fish can camouflage themselves. However, white fish can be seen easily by predators. Therefore, eventually more dark colored fish survives and more offsprings are dark ones.
Answer:
The six most common elements found in life on Earth are carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur, and they compose 97 percent of a human's body mass
Explanation:
Answer:
The typical marmoset sperm cell must contain 23 chromosomes as well because when it mixes with the female chromosomes, it should add up to 46. Gametes cells always have half the amount of regular cells.
