Answer:
Aquatic ecosystems include oceans, lakes, rivers, streams, estuaries, and wetlands. Within these aquatic ecosystems are living things that depend on the water for survival, such as fish, plants, and microorganisms. These ecosystems are very fragile and can be easily disturbed by pollution.
Explanation:
the answer is option a:the maximum number of individuals that a place could have
THe Kepler 62 Planetary is located in an are of the Milky Way galaxy.