Bacteria belong to the domain Bacteria. Which characteristic is used to classify these organisms as Bacteria? Bacteria are heterotrophs.

Bacteria are multicellular.

Bacteria are prokaryotes.

Bacteria cells contain a nucleus.

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Any sound above what db can cause hearing loss in human beings

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.