How do the two facts above affect the described theories of the moon's origin? a. they show that no theory accounts for the existence of the moon. b. they show that more experiments on moon formation need to be done. c. they show that scientists will never agree on where the moon came from. d. they show that neither theory is complete and entirely correct.

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

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.