When would we exspect a euglena to ingest food instead of producing it

Explain how the political influence of african americans leaders became weaker.

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

Which type of landform forms at the plate boundary as a result of divergent stress