Which of the following would have the least impact on primary productivity in the euphotic zone? A. The release of nutrients from bacterial decomposers
B. The emissions of hydrogen sulfate along hydrothermal vents
C. The availability limiting nutrients
D. The Availability of sunlight

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation