They need an independent variable, in this case it should have been the fish food. Everything should be identical except the fish food, from what I read , it doesn't say anything about what type of food they used, or the dosage.
The male<span> pelvis exhibit more prominent (pronounced) bone markings than the female pelvis because of the reason the male pelvis has larger leg muscles than the female pelvis. The male pelvis would exhibit more prominent bone markings because they have larger leg muscles.</span>
Melanin provides pigmentation to the skin and it also provides UV ray protection (which is its role in the epidermis).
Answer:
all of the above
Explanation:
Epigenetic alterations are modifications of the genome transmitted during cell division, which do not involve changes in the DNA sequence, are hereditary and are capable of modifying gene expression. In addition, they are temporary modifications that allow DNA to be transcribed and have the ability to move histones to open or close a chromosomal region. There are three main mechanisms of epigenetic alterations: DNA methylation, histone modifications and genomic imprinting.
