1. When referring to Table 2, you can see that elk are the preferred prey of wolves in Yellowstone. They have been the preferred prey since 1995. In 1995–96, wolves were observed chasing, but not killing any bison. Bison kills were first recorded in 1997, and in 2001 still only made up 4% of wolf kills. Please explain this specific behavior.

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas