Question

Сходства и отличая строения плавника дельфина и плавника морской черепахи

Answer 1

Сходство между пловниками дельфина и морской черепахи: у них одинаковая длина и ширина плавника. А отличаются они тем что у дельфинов плавник мощнее чем у черепахи. Ну как то так))

Answer 2

Similarities and Differences Between Dolphin and Sea Turtle Fin Structure

Similarities:

Both the dolphin and sea turtle fins are adapted for efficient swimming in water. They both have streamlined shapes that reduce drag and allow for swift movement through the water.

Differences:

1. Physical Structure: - The dolphin's fin is a dorsal fin located on its back, while the sea turtle's fin is a flipper, located on the sides of its body. - The dolphin's dorsal fin is tall and curved, aiding in stability and maneuverability, while the sea turtle's flippers are paddle-shaped, allowing for powerful propulsion through the water.

2. Functionality: - Dolphin fins are primarily used for steering and maintaining balance while swimming, while sea turtle flippers are used for both propulsion and steering.

3. Composition: - The dolphin's fin is composed of dense connective tissue and is rigid, providing structural support for the dolphin's movements. In contrast, the sea turtle's flippers are more flexible and contain bones, allowing for a different range of motion and swimming style.

4. Size and Proportion: - Dolphin fins are relatively smaller in proportion to the dolphin's body size, while sea turtle flippers are larger in proportion to the turtle's body, aiding in their swimming and diving capabilities.

In summary, while both the dolphin's dorsal fin and the sea turtle's flippers serve the purpose of facilitating movement in water, they differ in their physical structure, functionality, composition, and size and proportion relative to the animal's body.

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