15. Cells found in plants and animals have similarities but can differ in function. Consider the
following two organisms: a corn plant cell (Zea mays) and a camel cell (Bactrianus ferus). What is the
best explanation for the difference in the cellular vacuole size between these two biotic
organisms?
A. The corn cells' have a small vacuole size because it does not need long term water and electrolyte
storage.
B. The camel cells' have a small vacuole size because it does not need long term water and
electrolyte storage.
C. The camel cells' have a small vacuole size because it is not in contact with toxins that need to be
removed from the cell.
D. The corn cells' have a large vacuole size because it is in contact with many toxins in the soil which
need to be removed from the cell.
10

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Scenario 5 1) take 10 red and 10 black beans and place them, mixed, on the table. record the starting phenotype # and frequencies (% of your total population) of your starting population in the table provided (generation 0). 2) act as a predator. “capture” as many organisms as you can until you have reduced the population to three organisms. put them aside. at this point, the predators die. 3) the remaining organisms each produce 2 clonal offspring. multiply your organisms accordingly and allow them to mix on the table. calculate and record the resultant phenotype # and frequencies (% of your total population) of your population in the table provided (generation 1). 4) repeat the reproduction event, allowing each of your organisms to produce 2 clonal offspring. calculate and record the resultant phenotype # and frequencies (% of your total population) of your population in the table provided (generation 2). 5) repeat the reproduction event, allowing each of your organisms to produce 2 clonal offspring. calculate and record the resultant phenotype # and frequencies (% of your total population) of your population in the table provided (generation 3).