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Dolphins

Dolphins

mammals of the families delphinidae (ocean dolphins), iniidae, lipotidae, pontoporiidae, and platanistidae (all river dolphins). The common Name dolphin is applied to small cetaceans having a beaklike snout and a slender, streamlined body, whereas porpoises are small cetaceans with a blunt snout and rather stocky body. Dolphins are the most agile of the cetaceans and some of the speediest. They have remarkable group precision and regularity of movement.

 dolphins swim at a speed of 3-7 miles per hour, but have been recorded at 25 mph

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Why must we avert the genome of Eden?

... to do with bat evolution. The gene complexes responsible for echo-location might have existed before bats and cetaceans diverged: whales and dolphins use the same gene-complexes as bats.3 This should not be the case according to Mayr's prediction, and these genes are not even amongst the ...

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by Hunor
Mon Sep 23, 2013 12:08 am
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 7147

Re:

Finally, do you think that everything is open, that nothing is determined or destined to happen, and if so, where does this uncertainty and possibility for different outcomes stem from? If the world we inhabit is a non-determined world, then nothing is determined. Determinism is a global thesis, al...

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by ughaibu
Fri Apr 19, 2013 5:31 am
 
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 26903

Do We Have The Freedom Of Choice?

... input to the basket of free will. p.s. You may have mentioned somewhere, but do you consider all, most, or only few (humans and maybe apes and dolphins and such) animals to have free will? Like, if you look at a spider, do you think it makes choices and decisions, or is it completely on the ...

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by biohazard
Mon Apr 08, 2013 9:08 am
 
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 26903

Re: Mean corpuscular volume differences

Interesting Whithout the time to graph data, check taxonomy and make statistics my first gess is: 1) Deep divers such as dolphins, whales and seals have high MCV. This may well be related to the need to store oxigen when diving. However some kind of balance must exist between cell ...

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by marquitosgm
Thu Mar 29, 2012 10:31 am
 
Forum: Zoology Discussion
Topic: Mean corpuscular volume differences
Replies: 1
Views: 1497

Evolution questions

... quantitative variation. e. natural selection cannot act on the trait of leaf morphology. my answer was E. The fact that fish, penguins, and dolphins all have the same basic shape is BEST explained by which of the following? a. Divergent evolution and adaptive radiation into new niches often ...

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by Ryosuke
Fri Nov 18, 2011 7:21 am
 
Forum: Evolution
Topic: Evolution questions
Replies: 1
Views: 5639
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