Answer:
I'd say it's The discovery that all protists come from one common ancestor.
Explanation:
Based on some quick research, The current attempts of classification focus on grouping protists into between three and ten kingdoms, based on species’ common evolutionary ancestors.
No, no look my shoes its gucci xd
Answer:En los EE. UU., el agua se usa de muchas maneras, incluso para consumo humano, riego agrícola, enfriamiento de plantas de energía y generación de energía hidroeléctrica. Además, los ríos, lagos y océanos permiten actividades de navegación, pesca y recreación.
Answer: I believe it's the mitochondria!
An area of land or water set aside for the protection of an ecosystem is preserve