Which best describes a fossil that helps determine the relative age of a rock layer? A. Trace fossil B. Index fossil
C. Radioactive fossil
D. Unconformity fossil

anti-human il13 stable cell line (lebrikizumab) can be provided from creative biolabs.

explanation:

garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.

regulate growth

produce insulin

control bladder

regulate bone calcium

control metabolism

produce adrenaline

the flagellates share a facultative mutualist association with termites. mutualism is a biological interaction between individuals of different species, where both benefit from each other. this is called cooperation and it differs from other interactions such as cases of exploitation, such as parasitism, predation. in this interaction called association, both species cooperate and benefit.