Answer:
A homologous structure can be described as structures present in similar and different species. These structures might not perform the same functions but are similar because they might have a common ancestor in the past.
An example of a homologous structure is the arms of a human and the wings of a bat. Although the arms of a human and the wings of a bat do not perform the same function yet they do have similarities because they have a common ancestor in the past.
Mutations is the correct answer
Answer:
No the atomic mass is the same as the atomic number
Explanation:
The rotifer, or wheel animal, which can be as small 50um.
DNA<span> is a double helix, while RNA is a single helix. Both have sets of nucleotides that contain genetic information. Credit: udaix Shutterstock. Deoxyribonucleic acid or</span>DNA<span> is a molecule that contains the instructions an organism needs to develop, live and reproduce.</span>
