Answer:
All organs have a specific structure to helps with a certain function in the body.
Explanation:
Some examples are the brain,heart, lungs, and stomach.
The correct option is C, PROTEINS.
Protein are macro molecules which are made up of units called amino acids. There are twenty different amino acids, each with a unique R group. The elements find in protein include carbon, oxygen, nitrogen, etc. Nitrogen is one of the most important constituent of proteins. <span />
Answer:
A.) The sexual phase can produce variations within the species
Explanation:
Sexual reproduction allows for the mixing of genes which creates variation. Since asexual reproduction just involves one cell, the daughter cells will be identical to the parent. Thus, no variation is created.
B., Clams gain energy and nutrients by filtering particles from the water.