The most accurate way to determine population size is to simply count all of the individuals within the habitat. This method is

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.