HIV tests are used to detect the presence of the human immunodeficiency virus
(HIV) the virus that causes acquired immunodeficiency syndrome (AIDS) in serum, saliva , or urine such tests may antibodies, antigens, or RNA .
Answer:
The light is shifted to the red end of the spectrum, as the wavelengths get longer.<em> </em>
Answer:
parasitism
mutualism
commensalism
Explanation:
Commensalism is defined as a relationship between two living organism in which one organism get benefits and the other organism neither benefit nor harm.
Herbivory is defined as the relationship between organisms and plants in which organisms consume plant material.
Mutualism is defined as the relationship between two living organism in which both organisms benefit each other.
Parasitism is defined as the relationship between two living organism in which one organism get benefits and the other organisms get harmed.
So, a flea and dog are an example of parasitism, certain bacteria live in the digestive tract of humans is an example of mutualism, and relationship between cattle egrets and an elephant is an example of commensalism.
Hence, the correct answer is:
parasitism
mutualism
commensalism