Mountain lion
snakes
rabbits
shrews
deer
mice
grasses
insects
bacteria and
toadstools
Use the above model to answer the questions below:
The bacteria and toadstools (mushrooms)
are producers because they return nutrients to the soil.
are autotrophs that can obtain energy from nonliving sources.
are heterotrophs that rely on dead organisms for energy and nutrients.
provide food for the grasses,

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)