Across
- 3. A thick layer of fat beneath the skin of marine mammals, providing insulation and energy storage.
- 6. A filtering structure made of keratinous plates in the mouths of certain whale species, used for feeding on small prey such as krill or plankton.
- 7. A biological sonar system used by dolphins to navigate and locate objects underwater by emitting high-frequency sounds and interpreting the returning echoes.
- 8. A specialized respiratory opening on the dorsal side of whales, enabling them to breathe air at the water's surface.
- 9. A fatty structure located on the forehead of dolphins, used in echolocation and communication.
Down
- 1. The horizontally flattened tail fin of whales, aiding in propulsion through water.
- 2. (Two words)A species at the top of the food chain, not preyed upon by other animals within its ecosystem, exerting control over populations of other species.
- 3. The elongated, pointed structure forming the mouth of dolphins, adapted for grasping prey and aiding in echolocation.
- 4. A reproductive strategy characterized by producing a few offspring with substantial parental investment, often seen in species with long lifespans and stable environments.
- 5. (two words)A feeding behavior where a whale comes up from below and opens its mouth wide, then straining out the water through the baleen; it therefore a sporadic movement of water, in and then out.