Consider the effects that El nino might have on the marine life that come in contact with the warmer ocean currents I need it c:

thank you

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

answer; /// i do believe its (heredity); good luck

the answer is d. chordata