Posted by Thomas on Wednesday, November 5, 2008 at 10:10pm.
What changes and vertebrate class are you talking about?
Please repost in more specific terms.
Thanks for asking.
Related Questions
science - Relate progressing fossil evidence, changing habitats and climates to ...
Science - In what ways has learning about the environment changed the way you ...
Science - How was the process of natural selection helped to produce organisms ...
BIology - Reptiles have some specific adaptations that make them well suited to...
Earth Science - Earth is always changing. What are two forces that cause the ...
science - the amount of solar energy that is intercepted by the earth is___by ...
science - the amount of solar energy trhat is intercepted by the earth is___by ...
Biology - What are 5 adaptations that can help placental mammals survive in ...
social studies - i need to find some info on kyoto how have people adapted to ...
Science(emergency) - What are the animal adaptations in the polar regions? (...
For Further Reading