The earliest hominin that belonged to the same genus as modern humans was probably a. homo ergaster. b. australopithecus afarensis. c. homo habilis. d. homo neanderthalensis.

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?