Aquatic communities, like almost all natural systems, run on sunlight. which means they use solar energy.. Plants and algae capture the sun's energy. Then by the process of photosynthesis, plants and algae use energy from the sun's light to make food and oxygen for themselves out of basic environmental resources likecarbon dioxide, minerals, and water
Answer;
Quaternary structure
Explanation;
-Amino acids link together end-to-end forming the primary structure of proteins.
-Chemical properties of amino acid groups within a sequence interact with one another in secondary protein structure resulting in hydrogen bonding and chain folding.
-Intramolecular bonding of polypeptide chains produces numerous alpha helices and beta sheets.
-Globular and fibrous shapes are created with tertiary structure of proteins caused by further folding due to disulfide bridges, hydrophobicity and Van der Waals forces.
-More than one globular or fibrous protein subunit now interact to produce quaternary structure, which results from ionic, hydrophilic, and hydrophobic interactions.
Either A. or D. it depends on what kind of insulation you're looking for.
