Answer:
11. Extinct basically means that in a species, there are no living organisms.
12. Extinct: No living organisms of the species
Endangered: Very few living organism of the species, and are in danger of being extinct
Threatened: The organisms of the species are likely to be endangered in the future.
Photosynthesis is commonly understood as converting light energy to chemical energy. So, C would be the correct answer.
Answer: A mutation because a change in DNA that is natural is a mutation. :)
