Drag the tiles to the correct boxes to complete the pairs. Organisms compete for limited resources at many levels. Match each scenario to the type of competition it exhibits.

Which of the following systems in absorbing oxygen and releases carbon dioxide

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele