The productivity of phytoplankton is reduced if there are few nutrients or large populations of grazers in a marine ecosystem. What are these physiological and/or biological necessities called?

answer; ///i believe its: ///(embolus);

the answer is sex-linked recessive.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.