What are some questions about blue whales?
Blue Whale – The 20 Questions
| 11) | Did you like reading this article? Why/not? |
|---|---|
| 14) | Do you think blue whale numbers will go up, down or stay the same? |
| 15) | Who does the blue whale still need protecting from? |
| 16) | Would you like a job monitoring blue whales? Why? |
| 17) | How would the ocean environment change if whales became extinct? |
What are 3 adaptations of a blue whale?
Among these adaptations are: streamlined bodies for efficient movement through water; forelimbs modified into flippers to aid in steering; hind limbs internalized remnants reducing drag; tail positioned horizontally to achieve a powerful up and down propulsion; hair replaced with under-skin blubber to provide warmth …
What happens if blue whales go extinct?
Whales and the environment For example, a blue whale can consume as much as 40 million krill per day, so you can imagine its impact on stabilizing the aquatic ecosystem if the blue whale species were to become extinct. When one animal species important to the food chain dies, it allows other species to thrive.
Why do blue whales migrate?
Much like some of their smaller counterparts in the animal kingdom, blue whales migrate seasonally in search of food and possibly calving and nursing areas.
Do whales have teeth?
Whales possess a varying number of teeth, depending on the individual species. Some kinds of whales only have one or two teeth, while others might have 240 teeth or even more. Dental patterns can vary. Some toothed whales have teeth in both their upper and lower jaws.
How fast can whales swim?
Fin whale: 47 km/h
Whales/Speed
How did the blue whale survive?
Because they live underwater, blue whales need highly efficient lungs to survive. Their lungs exchange 80-90% of oxygen, as opposed to humans who only exchange 10-15%. The trachea extends all the way to the center of the lungs to help adapt to its diving habits.
How long can blue whales hold their breath?
Blue Whales can hold their breath for about 90 minutes, but typically do not exceed 30 minutes underwater at a time.
Can we live without whales?
A dead whale can provide a 10-year supply of seafood, and as Science Mag points out, whales also contribute to the spread of nutrients on land. If they die out the circle of life might die, too.
How fast do blue whales swim?
about 5 miles an hour
Blue whales typically swim at about 5 miles an hour while they are feeding and traveling, but can accelerate to more than 20 miles an hour for short bursts.
Why do blue whales sing?
The whale is particularly famous for its melodious songs that echo in a hauntingly beautiful manner. But the singing may serve as more than a recreational pastime and, perhaps, serve as a way to communicate with other whales many miles away.
What kind of frequency does a blue whale have?
The fundamental frequency for blue whale vocalizations ranges from 8 to 25 Hz and the production of vocalizations may vary by region, season, behavior, and time of day. The blue whale was once abundant in nearly all the Earth’s oceans until the end of the 19th century.
When did the blue whale diverge from the rorquals?
The family Balaenopteridae is believed to have diverged from the other families of the suborder Mysticeti as long ago as the middle Oligocene (28 Ma ago). The blue whale lineage diverged from the other rorquals during the Miocene, between 7.5 and 10.5 million years ago.
What was the first description of a blue whale?
The first published description of the blue whale comes from Robert Sibbald’s Phalainologia Nova (1694). In September 1692, Sibbald found a blue whale that had stranded in the Firth of Forth – a male 24 m (78 ft) long – that had black, horny plates and two large apertures approaching a pyramid in shape.
Who is the creator of the Blue Whale Challenge?
The Blue Whale Challenge is an online phenomenon that entered the media spotlight for being a brutal ‘Suicide game’ among teenagers. According to reports in the media, the challenge was created in 2013 by a former psychology student named Philipp Budeikin who created it to “cleanse” society by pushing people…