Describe two ways in which evolutions of the organisms can have a harmful effect on humans.

In which of the following relationships is one organism always benefited while the other organism is always harmed

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

What are the ingredients of oobleck?