Evolution links:




lizard speciation


Sadly, the other two animations listed on your worksheet are no longer available.
The learning website "Sparknotes" summarizes the isolating mechanims quite well -
click here

Note: You do NOT have to describe all the isolating mechanisms in detail, just give an overview with a few examples in your talk on speciation.

For alternative sources you can also google "speciation", "allopatric speciation", "geographical isolation", "isolation mechanisms" etc. and find a large amount of information.
Youtube has good films on these topics, as well!