A mouse is in the early stages of embryo development. The cells are beginning to look differers from each other. What is happening to the growing mouse embryo ? A. Cellular respiration is making many different types of cells .

B. The cells are differentiating so that they have specialized functions

C. Meiosis is breaking down old cells to form new ones .

D. Each cell is creating its own unique set of genes

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

What terms describes being out of water after being submerged

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.