In sedimentary rocks, fossils in lower layers represent fossils that fossils in the upper rock layer? a. the same age as b. more closely related than c. older than d. younger than

Which of the following is not a product of the second stage of glycosis

One gene can influence trait(s). one trait can be determined by gene(s).

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing