Answer:
Archaea
Explanation:
Archaea is another term for Archaebacteria. also known as Bacteria which fits all the traits from the question.
I think its B.all the members of a population ate genetically very similar etc
there would be a 50 50 chance for the child to have it depending on the genes on the grandparents
Answer:
Invertebrates can have bilateral or radial symmetry, or they can be asymmetrical. Bilateral symmetry means that the animal is arranged in the same way on both sides. Radial symmetry means the body parts are arranged in a circle around a central point.