Heat from the sun makes it through near the Antarctic (where the hole is) is melting the ice and not allowing some key species to feed. seals don't have ice to come up for air through like normal so polar bears starve. loss of land means less food for a lot of species because the hunting grounds is closing and there is no room to expand.
Only animals in the same <u>species</u> can always breed and have fertile offspring.
Although animals in the same genus<em> can </em>breed, their offspring are usually infertile.
All of these are essential to survive
Answer:
w and x
Explanation:
they both rise and fall in the same places but they are different heights
<span>This is hypokalemia. The diuretic drug will, in this case, cause the kidneys to excrete more urine (and therefore more potassium) than usual, leading to a lowered amount in the body. By changing the dose of the diuretic, the patient can have their levels brought closer to normal.</span>
