Answer:
Part 1 i think, im not 100% sure
Explanation:
Answer:
Im sorry if i late but the answer i believe is C. if i wrong let me know!
The organisms that is most likely not functioning as a keystone species in its ecosystem is; the Zebra mussels-Compete with native species, reducing the biodiversity of the Great Lakes ecosystem. Keystone species are plants or animals that play unique and vital role in the way an ecosystem functions. Without keystone species, the ecosystem would be dramatically different or cease to exist altogether.
No they are not the opposite, they are the end products for photosynthesis.
