After being hunted to near extinction, wolves were reintroduced to Yellowstone National Park in 1995. After two years, the population of wolves increased rapidly until 2009. After
2009 the population decreased slightly and has remained at an average of 93 wolves.
Which type of growth curve describes the Yellowstone wolves

A. population density curve
B. exponential growth curve
C. logistic growth curve
D. bell curve

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