Reviewing Vocabulary
Choose the appropriate vocabulary term to complete each statement.
In Mendel’s crosses, the trait is visible in the F2 generation, but not the F1 generation.

After crossing a tall pea plant with a short pea plant, all of Mendel’s pea plants were tall because it is the trait.

For seed color, the F2 generation produced both yellow and green seeds because there are two different for each gene.

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.