Question

Which of the following statements about aquatic ecosystems IS correct?

Rivers and streams are flowing salt water ecosystems

Marine ecosystems are standing freshwater ecosystems

Ponds and lakes are flowing-water ecosystems

Estuaries are made of both fresh and salt water, where rivers meet the sea.

Answer 1

Hey! I think the correct answer would be the last one! Estuaries are where fresh water from rivers and streams mixed with salt water