Sea otters are a keystone species, they eat sea urchins which feed on sea kelp A large variety of species depend on the kelp forests for food and shelter. Which species would be impacted by the removal of sea Otters?

All species within that ecosystem would be affected.

Explanation:

Keystone species are species that other organisms largely depend on, if they disappeared, then all organisms within the ecosystems would be affected. For example: Sea urchins would overpopulate and over eat on sea kelp, which may threaten extinction in that area. Sea kelp dying would effect the organisms living/eating sea kelp

cats ; snakes