Alex is examining a mollusk. It has filter-like structures for feeding, and it moves using a muscular foot. which mollusk is alex most likely examine?
a) a clam, which is a bivalve
b) a clam, which is a cephalopod
c) a nautilus, which is a cephalopod
d) a nautilus, which is a bivalve

Number and variety of living organisms includes genetic, species, and ecological types

Bio molecules are essential to all living things. which biomolecule is “d” from the table

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)