Geologists found fossils in several layers within the earth and have determined, by using c-14 dating, that of all of the following layers of fossils found in the illustrated rock layers the fossils found in layer are the oldest.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,