| 21. | Why do some whales have teeth and others baleen?
|
| 22. | The teeth or baleen in the upper jaw sit exclusively on the maxilla.
|
| 23. | The baleen of baleen whales consists of long, fibrous strands of keratin.
|
| 24. | The baleen of baleen whales consists of long, fibrous strands of keratin.
|
| 25. | Baleen whales are largely monogamous within each reproductive period.
|
| 26. | Mysticetes are also known as baleen whales because of the presence of baleen.
|
| 27. | Mysticetes are also known as baleen whales because of the presence of baleen.
|
| 28. | The fin whale, the fastest among baleen whales, can travel at.
|
| 29. | This allows baleen whales to detect chemicals and pheromones released by their prey.
|
| 30. | Unlike most other baleen whales, it has rarely been subject to exploitation.
|
