Imagine that doctors are observing a new disease, and they don't know what causes it. what are some possible causes of diseases? what kinds of things would scientists do to learn more about a disease and its cause or causes?

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species

Why is it bad that some cancer cells can make their own growth hormones?