Interspecific competition often leads to what disastrous
outcome for the less fit species?

Which could be a pathway of food through an ecosystem

Which statement describes the punctuated equilibrium theory?

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?