Answer:
The correct answer is - C. It is composed of different kinds of tissues.
Explanation:
An organ is a part of the body that is composed of different types of tissues that form a structure and vascularisation, and capable of the development of a physiological function.
The mesentery is a structure that connects the loops of the small intestine which is made up of the different types of tissue to perform a various functions and is not a part of a particular organ system.
Because it is not the dominant allele, it is the recessive allele so it is not shown.
Species you can remember it by Dear King Philip Came Over For Great Spaghetti. domain, kingdom, phylum, class, order, family, genus, species.