Nitrogen Fixating bacteria ( such as cyanobacteria or clostridum) can convert gaseous nitrogen in the air into amonia, a compound that organism can use to make amino acid and other nitrogen-containing organic molecules
Superficial is a used to describe structures that are closer to the exterior surface of the body. Deep refers to structures closer to the center of the body region. For example, skin is superficial to bones, and bones are deep to skin.
I believe the correct answer is C. Nektons include bony fish and squid.
Start with the one that you know better the beginning of essays are hakf the tine awkward anyway.
Mountain lions/highest trophic levels receives less energy as energy is lost at each level/mountain lions are larger than most animals and require (smaller) individuals for food.
