The diagram that would be used would be an energy pyramid.
Answer: It's known as the continental drift :)
Explanation: "Pangea's existence was first proposed in 1912 by German meteorologist Alfred Wegener as a part of his theory of continental drift. Its name is derived from the Greek pangaia, meaning “all the Earth.”" (copied from google)
Answer: The correct answer is -
D. They determine the inherited traits of an organism.
Gene can be described as segment of DNA (deoxyribonucleic acid) that codes for particular protien, which determines specific trait (which is an inherited trait) of the organism.
Genes are located on chromosomes as considered as the unit of heredity as they are passed from one generation to the next generation.
Examples for inherited trait include eye color, skin color, hair shape and color etc.
Thus, option D) is the right answer.