Part b
some obligate intracellular bacteria lack the ability to propagate without a host cell. do these bacteria meet the definitions of life described in part a? why or why not? how do these bacteria differ from viruses?

What is turgor pressure, what causes it, and what does it do for a plant?

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

Idon’t understand this can someone give me the answer? you