The cell shown above most likely belongs to an organism of the kingdom ? A - animalia
B - Plantae
C - Fungi
D - Eubacteria

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.

Which of the following is the scientific term for an organism that makes its food from inorganic materials? a.autotroph b.heterotroph c.embryotroph