Notice that independently, the prey population goes up, if the predator's population is low. One interpretation is that there are not enough predators to really make a dent in the prey's population. But as the prey's population increases, they become easier targets for the predators since there are so many. As predators feed on prey, the predator's population increases (more food, can sustain a bigger population) and the prey's population decreases. As less and less prey are available to hunt, the predator's population also decreases.
Note that it need not be this cyclical, the trend can go to an equilibrium point where the populations do not fluctuate all that much.
the predator eats the prey limiting them to not overly grow. And the prey do not overly grow limiting the predators population to not overly grow as well. hope that helps
Insulin (secreted from the pancreas)
Oversecretion: hypoglycemia (low level of sugar in the blood)
Undersecreation: hyperglycemia (high level of sugar in blood, Diabetes Mellitus)
Answer:
Cells from the pure culture can cause disease in healthy individual after infecting it with the pure culture.
Explanation:
Koch postulates says that microbes are the cause of every disease. These microbes can be isolated from the infected host and can be grown outside the host in a pure culture. Then this pure culture is able to cause disease in a healthy host after infecting the host with pure culture. Then this same microbe can again be isolated from the second host.
So Koch postulates which proves that cells from the pure culture can cause disease in healthy individuals after infecting it with the pure culture was the step that enabled Koch to determine that a particular microbe is the cause of the disease because it was causing disease in healthy individual also.
Water Hemlock (Cicuta maculata) ...
Deadly Nightshade (Atropa belladonna) ...
White Snakeroot (Ageratina altissima) ...
Castor Bean (Ricinus communis) ...
Rosary Pea (Abrus precatorius) ...
Oleander (Nerium oleander) ...
Tobacco (Nicotiana tabacum)
