Which of the following is continually passed from one enzyme to the next during the electron transport chain.
a. protons
b. nadph
c. electrons
d. atp

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because