You notice pest droppings in various locations of your home. There is clear evidence of nesting in your home from various rodents. Holes and gnaw marks have appeared on your floors, cabinets, or walls. Complaints from neighbors regarding several rodents or other insects running amuck
your answer would be c) iron deficiency
According to Charles Darwin's theory of Evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
(n.d.). Retrieved from http://www.nas.edu/evolution/Definitions.html
One word answer:Adaptation:
I think it is A to, since the tissues are the closet thing to cell, which microscopic anatomy studies.
It's biproducts or by cutting it open and find out.
