Under the Biological Speces Concept, what criterion is used to assign populations of organisms to the same biological species?
A. Being able to interbreed and produce fertile offspring
B. A very similar appearance
C. Having 99% of their genes in common
D. Responding the the environment in the same way
Answer: A. Being able to interbreed and produce fertile offspring
You might also like to view...
Which of the following pairs is mismatched?
A. Helminths; multicellular B. Algae; multicellular C. Fungi; multicellular D. Protozoa; unicellular E. Protozoa; multicellular F. Fungi; unicellular
A reducing medium contains
A. sugars that can be fermented. B. inhibiting agents. C. extra oxygen. D. hemoglobin, vitamins, or other growth factors. E. substances that remove oxygen.
How does the loop of Henle enable the mammalian kidney to produce hypertonic urine?I-The ascending limb of the loop actively extrudes Na+.II-The descending limb interacts with the ascending limb to raise the osmolarity of the extracellular fluid in the renal medulla.III-The concentration is further enhanced by the presence of urea, which draws water out of the collecting ducts by osmosis.
A. II and III B. just III C. just I D. I and II E. I, II, and III
You are working in an aquarium that has been breeding an endangered species of fish for return into the wild. You have a batch of progeny from the first generation of breeding. The staff are discussing whether to return those fish to an area that has been completely depleted, or add them to a partially depleted population. "Considering the Allee effect, what do you say?
A. "The area with the other fish may reduce the partially depleted population's exposure to disease." B. "They may survive better in a large school, and will have an easier time finding mates." C. "They may do better in the empty area without any competition for territory." D. "They may do better in the empty area without any competition for food."