Is this a college question
<span>Parathyroid Hormone (PTH) is a hormone that signals an increase in blood calcium (Ca2+) within into the bloodstream when below normal ranges. When blood calcium is within normal ranges Calcitonin is released from the thyroid to stop blood calcium from increasing thus maintaining equilibrium.</span>
Answer:
When phospholipids are mixed with water, they spontaneously rearrange themselves to form the lowest free-energy configuration
Explanation:
I think if the whale population decreased the surface fish populations would decline due to reduced populations of algae. This can be simply explained by the fact that, if the whale population is decreased, it means that the nitrogen rich feces that is supply nutrients to the algae would also decrease and therefore decrease the population of the algae and as a result the population of of the surface fish would also decline.
Answer:
b) A parasite does not immediately kill its host.
