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Unit 7 Vocabulary
Unit 7 Vocabulary Strategy
Term | Definition |
---|---|
Anadromous | Live in saltwater but spawn in fresh water. example: Salmon. |
Camouflage | Used to go undetected in surroundings where coloring dark top blends with dark depths. |
Viviparous | Live birth examples: Hammerhead, Mako, Whale Sharks. |
Pneumatophore | Cnidarians use to float and sail as wind pushes across ocean surface. |
Jet Propulsion | Some cephalopods propel themselves by ejecting water from their body. |
Echolocation | The equivalent to biological sonar is used for communication under water. |
Swim Bladder | A gas filled chamber to aid in pressure differences while swimming. |
Bradycardia | Slowing of the heart beat when submerged. |
Oviparous | Lay eggs examples: Zebra sharks. |
Siphon | Also called water jet; used for propulsion. |
Hypothermia | A state in which the body's mechanism for temperature regulation is overwhelmed. |
Mantle | Covering that secretes a shell. |
Catadromous | Live in freshwater but spawn in salt water. example: eels. |
Osmoregulation | Maintenance of salt and water concentrations in an organism. |
Mantle | Covering that secretes a shell. |