Cetacean Meaning: Definition and Examples
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cetacean
[sΙͺΛteΙͺΚΙn ]
Definition
marine biology
Cetaceans are a group of marine mammals that includes whales, dolphins, and porpoises. They are characterized by their streamlined bodies, horizontal flukes, and the ability to breathe air through a blowhole. Cetaceans are known for their intelligence and complex social structures.
Synonyms
dolphins, marine mammals, whales.
Examples of usage
- The study of cetaceans is important for understanding ocean ecosystems.
- Scientists are researching the communication methods of cetaceans.
- Many cetaceans migrate great distances to find food.
Interesting Facts
Biology
- Cetaceans are divided into two main groups: baleen whales that filter feed, and toothed whales that hunt for fish.
- Some species, like the orca, are highly social and live in family groups called pods.
- They are known for their sophisticated communication skills, with many using complex sounds and songs.
Conservation
- Many cetacean species are endangered due to threats like hunting, fishing nets, and pollution.
- Efforts to protect cetaceans include establishing marine protected areas and regulations against whaling.
- Organizations around the world work to raise awareness about the importance of conserving ocean ecosystems that support these creatures.
Cultural Significance
- Cetaceans have been central to the mythology of many cultures, symbolizing intelligence and grace in the ocean.
- In modern media, they are featured in films and documentaries, often portraying them as friendly and intelligent beings.
- Some indigenous cultures view certain species as spiritual guardians of the ocean, reflecting deep respect for these animals.
Discovery and Research
- Cetaceans are studied in marine biology and ecology to understand their behaviors, communication, and impact on marine environments.
- The discovery of 'whale songs' led to greater insights into animal communication and social structures.
- Researchers use advanced technology, like underwater microphones, to listen and learn about cetacean vocalizations.
Origin of 'cetacean'
Main points about word origin
- The term 'cetacean' comes from the Latin word 'cetus', which means 'whale' or 'sea monster'.
- In ancient times, people often confused large ocean animals, which led to myths about sea monsters.
- The classification of cetaceans as a distinct group started in the 18th century with the work of scientists like Carl Linnaeus.
The word 'cetacean' comes from the Greek word 'ketos', meaning 'whale', and the Latin 'cetacea', which refers to the order of marine mammals that includes whales, dolphins, and porpoises. This term was first used in the scientific context in the early 19th century as marine biologists began to classify aquatic mammals systematically. As our understanding of marine life progressed, more emphasis was placed on the study of cetaceans and their ecological significance. The development of technology in marine biology, including sonar and underwater communication, has allowed researchers to learn more about the behaviors, habitats, and migration patterns of these fascinating creatures. Today, cetaceans are widely studied not only for their biological importance but also for their roles in marine ecosystems and the impact of human activity on their populations.
Word Frequency Rank
This word's position of #33,919 indicates it's among the more rare English words. While understanding it broadens your vocabulary, focus on more common words first.
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- 33916 moonlighting
- 33917 unmake
- 33918 fleck
- 33919 cetacean
- 33920 chanter
- 33921 exhaustible
- 33922 linnet
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