The answer is B.
Im pretty sure water is important for some organisms.
Created the Grand Canyon National Game Preserve and killed the deers predators.
It is dry in deserts and hot too. There are special kinds of plants that grow in desserts means they have specialized characteristics which help them beat the dry and hot weather.
Succulent plants such as cacti, aloes, agaves have ability to store water in their leaves and stems which have thick and hard outer layer to avoid evaporation of water.
These plants have small spicules on their outer surface which protects them from animals as well.
Hello there,
Your correct answer would be "oxytocin".
This would be your answer because oxytocin is the only hormone that has a positive feedback loop. The other one's do not have positive. They contain negative loop's.
Hope this helps.
~Jurgen