The correct answer is tick on a dog.
The parasitic relationship can be defined as the relation in which one organism feeds on the other organism for their nutritional purpose. It can also harm the other organism by any means. Here, tick on the dog is dependent on the dog for its nutritional requirement. This is an example of parasitic relationship between dog and tick.
<span>Transcript of A Cell is like a Factory. The cytoplasm contains the organelles, just likehow the factory floor contains all the machines and workers. The ER is where the ribosomes do there work to create proteins. ... The cell membrane regulates what enters and leaves the cell, similar to factories shipping department.</span><span>Sep 23, 2014</span>
Remember that a biotic factor is a living component in an ecosystem that affects the population of another organism. So that means that the answer is B.
The color and texture of both things can be used for the upper middle and lower layers of the earth