Ascientist was studying a population of fish in a
pond over a period of 10 years. he observed that
the population increased each year for 3 years,
and then remained nearly constant for the rest of
the study. the best explanation for this
observation is that the population had
(1) stopped reproducing
(2) reached carrying capacity
(3) mutated into a different species
(4) run out of food and migrated to a different
pond

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)