1. Oysters filter the water in the Harbor.

2. Oysters are amongst the oldest animals in the world.

3. Ellis Island was once known as Little Oyster Island.

4. All Oysters make pearls.

5. Oysters are good for your garden.

6. By recycling Oyster shells (from restaurants), new reefs can be made in the bay of the New York Harbor.

7. Oysters are able to change their sex.

8. Oyster reefs cannot prevent flooding.

9. Oysters are a keystone species in the New York Harbor.

10. The New York Harbor is effected by Oysters.





Show me the answers!

Question 1: The correct answer is the True.

Each oyster is able to filter and clean up to 50 gallons of water per day. They are capable of removing dirt and nitrogen pollution.

Question 2: The correct answer is True.

Oysters are thought to be among the oldest animals on the planet although their exact evolutionary path remains unclear.

Question 3: The correct answer is True.

Oysters were so plentiful on the bays of Ellis Island, that the settlers first called it Little Oyster Island.

Question 4: The correct answer is False.

Edible oysters belong to the family ostreidae, while pearl making oysters belong to the family pteriidae.

Question 5: The correct answer is True.

Oyster shells are high in calcium, which benefits the soil in your garden.

Question 6: The correct answer is True.

Oysters make reefs with their shells. By putting recycled shells back in the Harbor, new oysters can reproduce on them. This creates larger reefs while replenishing the oyster population. Rerstaurants around the city recycle their old oyster shells.

Question 7: The correct answer is True.

Oysters are born with organs that can produce both sperm and egg. They have the ability to change which they want to produce.

Question 8: The correct answer is False.

Oyster reefs create a natural barrier against flooding

Question 9: The correct answer is True.

Oysters are considered a keystone species because of their ecological services. They filter and clarify the water.

Question 10: The correct answer is True.

Oysters make a great impact on the Harbor. As mentioned before, they filter and clean the water, prevent flooding, and they add nutrients and biodiversity to the water.