<span>ectopic pregnancies are never viable and must be surgically removed-true</span>
Answer:
Natural selection, process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution
hope it helped!
<span>A custom which allows a man to marry more than one woman is
1. Found in most societies anthropologists have studied.
2. Almost always accompanied by rules which specifies the rights of different wives.
Marrying more than one woman is called polygamy. Most countries allow polygamy marriage while others they don't though we can term marriage as a legal thing. Because it is only in marriage that generations grow.</span>
Answer:
It depends.
Explanation:
Often times, first-time mothers will not know what to do with their young and accidentally kill them.
Other times, birds will kill their young because the chicks fall ill, and the mothers do not want the sickness to spread to the rest of her chicks.
But for the most part, mothers will keep healthy young and try to keep them alive.
Hope this helps!
The correct answer is D, white blood cells.
We know that red blood cells deliver nutrients and are not apart of the immune system; platelets are responsible for coagulation, which has nothing to do with the immune system, and plasma is a substance that, again, has nothing to do with immunity. White blood cells are the only things that fight disease (antibodies are white blood cells)!
I hope I helped!
(By nothing I meant very little to none).