Option 1 is the correct answer.
<h2>Roundworms are among the most <u>numerous creatures</u> on the planet.</h2>
- Roundworms may survive for a lengthy time throughout the human gut. They can be dangerous as well as end up causing a variety of issues, including abdominal discomfort, fever, as well as <u>diarrhea</u>.
- Roundworms have long, round bodies that vary throughout the size depending on the species.
Thus the response above is right.
Learn more about roundworm here:
brainly.com/question/23560105
One of the common arguments why the process of transplanting non-human organs which came from animals may be considered as an ethical act is that antigens on the surface of the non-human organs are not significantly rejected in the process. Although its research is still substantial, it is still considered as a matter of ethical issue.