1.You find what you believe is a new species of animal. Which characteristics would enable you to argue that it is more closely related to a flatworm...

1. You find what you believe is a new species of animal. Which characteristics would enable you to argue that it is more closely related to a flatworm than it is to a roundworm?

2.    How did the evolution of the jaw contribute to diversification of early vertebrate lineages?

3.    Exotic (non-native) animals are a serious problem in the US. Give an example of how an exotic animal has impacted a habitat in the US.

4.    Choose one member of phylum Chordata, not including humans, and answer the following items.

a.    Identify their class (ex: Reptilia) and briefly explain their characteristics.

b.    How are their predators and prey?

c.    Identify any treats to human health and how they are resolved.