The digestive and respiratory tracts include the pharynx. The pharynx is found at the back part of the throat and is connected to the mouth and the nasal cavity. It then extends to connect into the esophagus and larynx. The pharynx serves as passageway for air during respiration and food for digestion.
Answer:
A. An ecosystem
Explanation:
All the organisms on your campus make up the <em>ecosystem</em><em> </em>
If a pair of Organisms are capable of producing fertile offspring in nature they must belong to the same species
