Answer:
a biologic trade of sperm/ semen and egg cells
when these are traded only then reproduction occurs
<span>Tap water is one of the three test conditions of the independent variable, the type of water.</span>
Yes it is important because you don't want to go swimming in a thunderstorm.
Which of the following organisms is not nekton? a. Whales
b. Crabs (answer)
c. Sharks
d. Dolphins
Answer:
Yes. Cells have 'cell receptors' that are used to receive messengers like hormones to communicate. Cell receptors have specific shapes that fit the shape of the messenger that they want to receive. Organs like the pancreas send our these messengers to the cells to order them to do different functions.