СО This sanctuary is an ecosystem. It is an environment
whose nonliving parts, such as water and earth, work with
10 its living parts. Each part is like a companion to another
part. “Upwelling” is one example of this. Wind causes cold
water to rise to the surface of the ocean. This cold water
causes new plants to grow. Then, animals come to eat these
plants. This food source is the chief reason why so many
15 species are drawn to Monterey Bay. No enclosure, or closed
space, keeps them there. The food does!
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