The answer is <span>Leontopithecus rosalia</span>
The sperm duct carries it
A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results.
I feel the answer is cell membrane .
The cell membrane is a semipermeable protection and covering for the cell.
Please mark me as brainliest, if this helped.
