Which of the following scenarios is representative of parasitism? a. tapeworms living in a mammal’s intestinal tract b. remora fish attaching themselves to sharks c. birds feeding on insects stirred up by grazing animals d. birds eating scraps of food from a crocodile’s teeth select the best answer from the choices provided

A. Tapeworms living in a mammal's intestinal tract

Parasitism is when the parasite (Exo or endo) obtain some sort of resource from the host (thru infestation of sorts), without giving any helpful attributes, most times harmful instead.

The answer is option A.

Explanation:

Parasitism is the point at which the parasite acquire a type of asset from the host, without giving any accommodating traits, most occasions hurtful instead.The life form that is hurting the other one is known as a parasite. Precedents of Parasitism: Fleas or ticks that live on pooches and felines are parasites. They are living off of the blood of the host animal.The sea sunfish has up to 40 unique parasites at any given moment. As it goes through the water it grabs many undesirable visitors. These incorporate normal parasites, for example, ocean lice. Ocean lice are cope pods that stick to the outside of fish where they feed.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation