Characteristics of Living Things

Cells are organized into _.

• tissues

• organs

• organ systems

• organisms

Which is not an example of an organ?

• stomach

• cardiovascular

• liver

• heart

Living things made up of only 1 cell are called _.

• multicellular

• unicellular

Groups of tissues form _.

• organs

• cells

• organ systems

• organisms

Any process in living things that requires or uses energy is included in _.

• development

• reproduction

• cell organization

• metabolism

What kind of genetic material do prokaryotic cells have?

• DNA that is surrounded by a nucleus

• free-floating circular DNA

Adaptations help living organisms _.

• develop

• grow

• survive

• reproduce

Which form of reproduction only involves 1 parent?

• asexual

• sexual

Which form of reproduction requires two parents to contribute to the formation of the new individual?

• sexual

• asexual

Organisms may release or use energy through _.

• photosynthesis or cellular respiration

• asexual or sexual

• DNA or RNA

• development or growth