Based on the cell theory, which of the following is true? (5 points) a
All cells are too small to be seen.

b
All living things are made of cells.

c
Small organisms have more cells than large organisms.

d
Large organisms have larger cells than small organisms.

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

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 organisms are capable of self-fertilization? a.plants b.tigers c.humans