What is the main difference, from an energy point of view, between photosynthesis and biological nitrogen fixation?

4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?