Answer:
Parasitism
Explanation:
Parasitism is a symbiotic relationship between two species in which one benefits and the other is harmed.
Answer:
The overall concentration of hydrogen ions is inversely related to its pH and can be measured on the pH scale . Therefore, the more hydrogen ions present, the lower the pH; conversely, the fewer hydrogen ions, the higher the pH.
The amount of gravitational pull helps determine the gases that can form an atmosphere around a large body in space. So the mass of an object also determines the density of these gases. Note that several factors come into effect for a large object to sustain their gases if present.
In the DNA, that is why they are called the building blocks of life.
The answer is A, Thalamus.