Answer the following question given this paragraph: Kelvin is a temperature measure in which the lowest temperature is absolute zero. Q: Kelvin is a temperature measure in which the lowest temperature is what? Choices: - anomalous zero - accurate zero - definitive zero - absolute zero A:
absolute zero
(Question)
Answer the following question given this paragraph: Types of Breathing Amphibians have evolved multiple ways of breathing. Young amphibians, like tadpoles, use gills to breathe, and they don't leave the water. Some amphibians retain gills for life. As the tadpole grows, the gills disappear and lungs grow. These lungs are primitive and not as evolved as mammalian lungs. Adult amphibians are lacking or have a reduced diaphragm, so breathing via lungs is forced. The other means of breathing for amphibians is diffusion across the skin. To aid this diffusion, amphibian skin must remain moist. Birds face a unique challenge with respect to breathing: They fly. Flying consumes a great amount of energy; therefore, birds require a lot of oxygen to aid their metabolic processes. Birds have evolved a respiratory system that supplies them with the oxygen needed to enable flying. Similar to mammals, birds have lungs, which are organs specialized for gas exchange. Oxygenated air, taken in during inhalation, diffuses across the surface of the lungs into the bloodstream, and carbon dioxide diffuses from the blood into the lungs and expelled during exhalation. The details of breathing between birds and mammals differ substantially. In addition to lungs, birds have air sacs inside their body. Air flows in one direction from the posterior air sacs to the lungs and out of the anterior air sacs. The flow of air is in the opposite direction from blood flow, and gas exchange takes place much more efficiently. This type of breathing enables birds to obtain the requisite oxygen, even at higher altitudes where the oxygen concentration is low. This directionality of airflow requires two cycles of air intake and exhalation to completely get the air out of the lungs. Q: Oxygenated air, taken in during inhalation, diffuses across the surface of the lungs into the what? Choices: - liver - brain - proteins - bloodstream A:
(Answer)
bloodstream
Ques: Answer the following question given this paragraph: For photosynthesis, stomata must control the transpiration of water vapor and the exchange of carbon dioxide and oxygen. Stomata are flanked by guard cells that swell or shrink by taking in or losing water through osmosis. When they do, they open or close the stomata. Q: Stomata must control the transpiration of water vapor and the exchange of carbon dioxide and oxygen that take place during what process? Choices: - glycolysis - spermatogenesis - fertilization - photosynthesis A:
Ans: photosynthesis
(Q).
Answer the following question given this paragraph: Pressure, volume, and temperature are related by the combined gas law. Q: Pressure, volume, and temperature are related by which law? Choices: - Law of Conservation - law of inertia - Murphy's Law - gas law A:
(A).
gas law
Ques:Answer the following question given this paragraph: Echinoderms are named for their "spiny skin. " However, the spines aren't on their skin. They are part of the endoskeleton. The endoskeleton consists of calcium carbonate plates and spines, covered by a thin layer of skin. Adult echinoderms have radial symmetry . This is easy to see in the sea star and sand dollar in Figure above . However, echinoderms evolved from an ancestor with bilateral symmetry. Evidence for this is the bilateral symmetry of their larvae. Q: What are named for their "spiny skin"? Choices: - arachnids - reptiles - amphibians - echinoderms A:

Ans:echinoderms
Answer the following question given this paragraph: Understanding and curing genetic diseases is the ultimate goal of human geneticists. As discussed in the Human Genetics: Diagnosis and Treatment (Advanced) concept, gene therapy is the insertion of a new gene into an individual's cells and tissues to treat a disease, replacing a mutant disease-causing allele with a normal, non-mutant allele. Of course, the findings of the Human Genome Project are significant in determining the disease-causing alleles. Geneticists must know which are mutant alleles and which are non-mutant or "normal" alleles. They must also be able to identify alleles that are not just associated with a particular disease phenotype, but cause a disease phenotype. And of course, scientists must develop and test the technology to replace mutant alleles. Q: For geneticists, the findings of what massive undertaking are significant in determining disease-causing alleles? Choices: - human produce project - Visible Human Project - human organisms project - human genome project A:
human genome project