If you went back to the field site and either removed or added predators to the natural ponds do you think that the results of your field experiments would mirror the results you obtained in the laboratory? Why or why not?
a. The field experiment
results and lab experiment results would be identical.
b. The field experiment results would show higher spot numbers than the labexperiment results.
c. The genetic variability in the ponds is limited to low spot numbers, so althoughthere might be high spot numbers after the experiment, they would not be as highas in the lab results.
Answer: c
You might also like to view...
The cells that actually secrete antibodies are
A. plasma cells. B. natural killer cells. C. phagocytes. D. T cells.
Thalidomide, an anticonvulsive and antihistamine medication, was shown to cause severely deformed limbs in children whose mothers took the medication. What might thalidomide do during development?
A. Cause a defect in the fertilization of an egg. B. Severely alter blastulation in the embryo. C. Impair morphogenetic fields within the embryo. D. Impair neural tube formation. E. Block cell division during blastulation.
What is the term for segmented blocks of tissue that form on either side of the notochord and are added sequentially?
A. blastopores B. gastropores C. somites D. amniotic cells E. sensory neurons
Dead Artemia cells that have been treated with trypan blue appear
a. colorless. b. blue. c. red. d. indistinguishable from living treated cells.