B because it takes in nutrients through endocytosis so the membrane opens up and envelopes the nutrients
I'm thinking it might be fossil evidence. Hope it helps!
Answer:
A shark's skeleton is made of cartilage , a type of strong but flexible tissue .Most other fish are covered in smooth , flat scales . A shark is covered in sharp , toothlike scales called denticles . Most other fish have flaps over their gills.
Explanation:
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Explanation:
To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].
Different codons can produce the same amino acid due to the way they bind to transfer RNA (tRNA).
