BIO 111

after observing that fish live in clean water but not in polluted water, researchers state that polluted water kills fish. this statement is an example of what part of the scientific method? - hypothesis scientists group species on an evolutionary tree that is based on - fossil record, physical structures, genomic sequencing according to the scientific evidence, earth is approximately how old? - 4-5 billion years old what is the correct oder of levels in which life is studied, from leas...