Estuaries are areas where fresh water from rivers meets salt water. As the river drains, it carries much nutrient-rich sediment. Many animal species depend on this food source to provide for their young.
Animals are <u>consumers</u> and hence they depend on other organisms (plants and other animals) for their food.
Answer:
Eurasian and North American
Explanation:
The answer would be <span>oxygen.</span>
