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About Walter Hintz
Expertise
I can answer questions about both vertebrate and invertebrate zoology. I am an expert in animal behavior, especially birds.

Experience
I have taught for over 50 years. I teach college biology courses and I have led tours to the Galapagos Islands and the Belize rain forest

 
   

You are here:  Experts > Science > Biology > Zoology > biology

Zoology - biology


Expert: Walter Hintz - 11/6/2009

Question
Dear sir
thanks for your kind help
How do whales reproduce?
Cause of the extinction of the dinosaurs?
When Venus is composed mm pine?

best regards


Answer
Whales reproduce the same way as all mammals, by copulation.  Although it is more complicated with such huge mammals in water

The latest evidence we have today that there are two reasons. On is that they could not compete with the smaller craftier mammals and the other is that the earth was struck by a huge asteroid

I do not understand this last question

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