Pharyngeal pouches are found in fish, reptiles, birds, and humans during development True
False

True

Explanation:

They are all vertebrates

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 by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )