Carbon can move from the abiotic environment to the biosphere through which of the following processes:
A) Respiration
B) Photosynthesis
C) Combustion
D) Fossil Fuel Formation
E) All of the above

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele