Pepsin (D.)
Pepsin is an enzyme that break down protein to make smaller peptide, in other words, they break up polypeptidae into peptide.
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BioTeacher101
The one I think is the snake because it does not have 4 legs.
There are different trophic levels at each stage. Trophic levels determine the amount of energy at each stage of the food chain. For example, the energy is 100% at the producer (plant), so it's the 1st trophic level, and so on. Energy amounts decrease as you go up a food chain, and you rarely find more than 5 animals in one because there is not enough energy left for the 6th consumer
True, maria are dark, smooth, <em>flat </em>surfaces on the moon.
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Hello there :)
I am quite sure this is a true/false question
This statement is false.
Yes, the cilia and mucus in the trachea does sweep upward, however, it moves the mucus towards the pharynx where it is swallowed not towards the nose where it is sneezed out.
