In a forest ecosystem, what trophic level are the trees?
a. heterotroph
b. primary consumer
c. autotroph
d. decomposer

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.