Which of the following would disappear first if an estuary was destroyed? a. shellfish b. whales c. coral reefs d. algae

The correct answer is shellfish.

Explanation:

Estuaries are places that found on the coast where freshwater like a bay or river met with the ocean. The great example of the estuary is Chesapeake bay estuary.

These are the habitat of the small fishes, shell fish or migratory birds are few of the animals.

This, the correct answer is option A. Shellfish.

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.