The abiotic factors in an ecosystem include
a. water supply.
b. temperature.
c. sunlight.
d. all of the above.

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

What effect does plate tectonics have an organic evolution

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.