The answer to the blank i think is bond im not 100% sure though..
Answer:
Human
Explanation:
Everything else produces and photosynthesizes, humans are the only thing in the list that consumes
I think it is keystone. If they were not there the population of urchins would go up and the kelp would go down.
Answer:
I believe its primary succession
Explanation:
Good job for getting the answer
