Dictionary » W » Whales



large marine mammals of the order cetacea. In the past, they were commercially valued for whale oil, for their flesh as human food and in animal feed and fertiliser, and for baleen. The sperm whale produces ambergris, an intestinal secretion used in perfumery.

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1 small multiple choice question [population dynamics]

... In 1982 the IWC adopted a moratorium (ban) on commercial whaling. 1.1) once the ban on whaling had been instituted, the populations of whales increased. Which is the best description of the growth in whales? A) accelerating growth phase B) decelerating growth phase C) equilibrium phase ...

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by Jeddles
Mon Sep 22, 2014 8:00 am
Forum: Ecology
Topic: 1 small multiple choice question [population dynamics]
Replies: 1
Views: 2219

Why must we avert the genome of Eden?

... has nothing 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 ...

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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: 14702

Organism that create or supress water

... take up 100% more people ditto Still can't get my head round animals creating water though. Is it something to do with the salt? And do geese or whales that can drink salt water make more water than other animals?

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by animartco
Sat Aug 31, 2013 2:32 pm
Forum: General Discussion
Topic: Organism that create or supress water
Replies: 10
Views: 4926

Re: Is complexity inevitable?

... hard wired. If they weren't we wouldn't be able to see or hear. Even our speech is hard wired to some extent. As is the song (speech) of birds and whales etc. Intelligence is something that grows out of this hard wiring, and reasons. Its purpose is to direct interactions with the environment in ...

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by animartco
Mon Aug 05, 2013 12:09 pm
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 18018

Re: A little help

In regards to vestigial structures I am referring to organs such as the appendix or bones and limbs similar to what is occasionally found in whales. Essentially organs, limbs etc that are believed to once have been more developed in ancestral species that have lost their primary functions but ...

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by Grisner
Wed Jun 26, 2013 3:57 pm
Forum: Evolution
Topic: A little help
Replies: 5
Views: 3298
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