I would say gills and webbed limbs. If they are amphibious, then I would say webbed feet and webbed arms.
The correct answer is: b. it doesn’t often reflect reality.
While experimental research has several advantages, including: investigating the effect of one variable on another, and the ability to control and eliminate confounding variables, it also has one major disadvantage. This disadvantage is known as: <em>lack of ecological validity</em>.
Lack of ecological validity means that the findings of research study might not be generalizable to real-life settings, and might only apply to laboratory settings. To avoid the problem of ecological validity, and to increase the validity of an experimental research study, a study should be conducted in natural settings when possible.
The society makes laws to restrict some researches, is the right answer.
In the context of the modern world; where every day new inventions are taking place, it becomes necessary for the government and the society to take some measures to control science. When the society found science harmful like euthanasia, unethical (abortion) or threatening, society makes laws to restrict some research; as these spheres closely associated with culture, religion, and society.
Asexual reproduction means that the cell has "cloned" itself, and will therefore have the same number of chromosomes as its daughter, thus option B is correct.
