2. Marine ecosystems are located all over the world. Marine ecosystems are located all over the world. The largest marine ecosystem is the oceans which are located all over the planet. The largest marine ecosystem is the oceans which are located all over the planet.

3. Oceans, estuaries, and coral reefs. Oceans, estuaries, and coral reefs. Oceans are homes to many aquatic creatures. Estuaries are places where rivers meet the ocean. Coral reefs are fragile and are becoming endangered. Oceans are homes to many aquatic creatures. Estuaries are places where rivers meet the ocean. Coral reefs are fragile and are becoming endangered. Oceans are located all over the world, estuaries are located off the coasts of places, and coral reefs are located in oceans. Oceans are located all over the world, estuaries are located off the coasts of places, and coral reefs are located in oceans.

4. The marine biome has two seasons, summer and winter. The marine biome has two seasons, summer and winter. Because of the sun’s heat in the summer the marine biome is warm in the summer. But because of the lack of warmth in the winter the marine biome is cold and at times below freezing in the winter. Because of the sun’s heat in the summer the marine biome is warm in the summer. But because of the lack of warmth in the winter the marine biome is cold and at times below freezing in the winter.

5. 55-104 degrees 55-104 degrees Considering the marine biome is the salt water biome there technically is no rainfall because it is water. Considering the marine biome is the salt water biome there technically is no rainfall because it is water.

6. Seaweed, Duckweed, Coral reefs, Sea urchins, algae, and so forth. Seaweed, Duckweed, Coral reefs, Sea urchins, algae, and so forth. There are many types of producers in the marine ecosystems. There are many types of producers in the marine ecosystems.

12. There is a variety of consumers in the marine ecosystem. There is a variety of consumers in the marine ecosystem. Sharks, whales, dolphins, sardine, sawfish, salmon, sunfish, blowfish, plankton, and so forth. Sharks, whales, dolphins, sardine, sawfish, salmon, sunfish, blowfish, plankton, and so forth.

13. They eat producers.

17. First level consumers

21. 2nd level consumers.

25. What kinds of decomposers live in your biome?

28. Some people are taking coral from coral reefs and are destroying them and endangering the animals that live in them. By humans killing whales for there meat, oil, and so forth, the whale population has been plummeting. Some people are taking coral from coral reefs and are destroying them and endangering the animals that live in them. By humans killing whales for there meat, oil, and so forth, the whale population has been plummeting.

29. People are stopping great amounts of fishing to stop ocean destruction. Also some people are informing others about the ocean destruction. Some people that are fishing are using fishing rods instead of fishing nets. People are stopping great amounts of fishing to stop ocean destruction. Also some people are informing others about the ocean destruction. Some people that are fishing are using fishing rods instead of fishing nets.

30. 1. Which one is a producer? a. Mushroom b. Whale c. Duckweed 2. Which one can live in an ocean? a. Goose b. Cobra c. Crab

31. 3. Which temperature is possible to be in the ocean? a. 12 – 24 b. 55 – 104 c. 67 – 238 4. Where are Marine ecosystems located? a. Europe b. Japan c. All over the world

32. 5. Which one is a marine ecosystem? a. Lakes b. Estuaries c. Ponds 6. Which TWO are seasons in the ocean? a. Summer b. Winter c. Spring d. Fall

33. 7. Which one is a decomposer in the ocean? a. Earthworm b. Mushroom c. Algae 8. Which one is a whale? a. 3 rd level consumer b. 1 ST level consumer c. 2 nd level consumer

34. 9. Which one is a 1 st level consumer? a. Shrimp b. Swordfish c. Marine worm 10. Which one is the largest marine ecosystem? a. Ocean b. Sea c. Lake

35. 1. C 2. C 3. B 4. C 5. B 6. A and B 7. B 8. B 9. A 10. A