Answer:
If sea Urchins no longer existed, reefs will die due to overwhelming amounts of algae, kelp, and seaweed. If the sea urchin population ceased to exist, their predators will die off due to starvation. For example, the sea otter will go extinct because their main source of food is sea urchins
Explanation:
False. The rocks on the earths surface are also included in Earth Science
Answer: yes\
correct me if im wrong :sob: