By fishing and cultivating tara
Answer:
C - Mutations are the only source of genetic variation for asexual reproduction
Answer: The reason why stem cell research is a big field in biology or even the world is because stem cells might be able to treat degenerative conditions as well as answering questions about human development.
Certain changes in a plant or animal could cause unpredicted allergic reactions in some people which, in its original form, did<span> not occur. Other changes could make an organism toxic to </span>humans<span> or other organisms. These concerns range from ethical issues to a lack of knowledge on the effects </span>genetic engineering<span> may have.</span>
Answer:
A
Explanation:
Its a because coral reefs protect coastlines