:ecology focuses on how human activities affect an ecosystem and ways to mitigate resulting issues.

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?

In what for do plants utilize nitrogen? why do they need nitrogen?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms