Keystone species ; this is a species whose presence is critical to the composition and integrity of the community
Answer:
In the mentioned case, Trevor's village requires more farmland in order to grow food for their developing inhabitants, however, they also require land for houses development. It is clear that the village is encountering with a lack of natural resources, and in the given case, natural resources are land that is needed for both construction and development of farmland purpose. The village may be having ample amount of population, this is due to which Trevor is facing an issue of a lack of land.
Answer:
Endocardium
Explanation:
The endocardium makes the innermost lining of the wall of the heart. It is present over the thin layer of connective tissue. The function of the endocardium is to provide a smooth lining for the chambers of the heart. The valves present in the heart also have endocardium. The dense connective tissue of the heart valves is covered by endocardium.
The presence of the smooth endocardium made up of endothelium reduces the surface friction as blood passes through the heart. The endocardium of heart chambers is continuous with the endothelial lining of the large blood vessels that are attached to the heart.
Answer:
The answer is E
Explanation:
Oligodendrocytes provide structural framework and myelinate the central nervous system (CNS) axons.
Hydra reproduce through a process called budding, where a tiny knob-like structure begins to grow. As it continues to grow, it falls off, producing a new hydra.