Ca+2 , the plus 2 indicates the loss of 2 electrons
The Sample Size formula, also known as the Cochran Formula, allows for calculation of an ideal sample size. Below, I have inserted a picture of the formula, where it’s variables are as follows,
N=population size
E= margin of error
Z=z-score
Answer:
A. Parasitism, because the flee is benefitting and the mammal is harmed.
Explanation:
Parasitism is when one organism which is a parasite lives on another which is the host, and gaining benefits from it and at the same time maiming havoc to it. Parasitism is common among living organisms. Animals are most times the host to a range of parasitic organisms which include viruses, bacteria, fungi,protozoa, also flea, tick, mites etc.
Parasites like fleas, tick and leeches live on the body surface of their host, which is make them ectoparasites while those that live inside their hosts are endoparasites.
Answer:
fertilized egg
Explanation:
Zygote, fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm). In the embryonic development of humans and other animals, the zygote stage is brief and is followed by cleavage, when the single cell becomes subdivided into smaller cells.
Britannica
The concentration gradient of K+ would increase. This would give a great driving force for the higher concentration of the K+. Once absorbed in the blood, it would diffuse through the cell's membrane. Since K+ is an ion, it would increase the membrane potential of the cell.