Why sea otters are considered a 'keystone species'

The species in the ocean play a vital role but impact the surrounding environment in surprising ways. In this article, we explore why sea otters are considered a “keystone species”? PHP editor Xinyi will give you an in-depth understanding of the key role sea otters play in shaping marine ecosystems. Are sea otters' reproductive prowess the key to a balanced ocean ecosystem? Let’s find out!

Magic Ocean September 7 Answers

Question: Why are sea otters considered a “keystone species”?

Options:

1. Strong reproductive ability

2. Balance the marine ecology

Answer: Balance the marine ecology

Answer analysis:

Sea otters play an important role in maintaining the health and stability of marine ecosystems and are therefore known as a "keystone species." Sea otters feed mainly on sea urchins, and sea urchins feed mainly on seagrass. If there were no otters, sea urchins would multiply in large numbers, causing excessive consumption of aquatic plants and destroying the entire ecosystem.

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