4. Look at the pictures of the embryos. Based off the development of the fetuses, which species would be most closely related to humans? Explain your reasoning.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.

c is the answer. hope this