In order for a to form, the body must not be eaten or destroyed by erosion and other natural forces. 1. fossil 2.mineral 3.cast 4.skeleton

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge

What are the three different shapes, or structures, of carbon-based molecules

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food