What are the products of evolution?
What will be an ideal response?
ANS:Genetic
changes (and genetic variability) in populations that result in changes in phenotypes.
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The west coast of Africa and South America in the tropics do not support corals. Which of the following would likely prevent coral growth in these areas?
a. cool northern flowing currents b. cool upwelling water c. depth of 25 meters d. both a and b
If plant gene alterations cause plants to be deficient in photorespiration, what would most probably occur?
A) Photosynthetic efficiency would be reduced at low light intensities. B) Cells would carry on the Calvin cycle at a much slower rate. C) There would be more light-induced damage to the cells. D) Less oxygen would be produced.
The IgG molecules which cross the placenta and circulate in a baby's bloodstream provide the baby with natural (active/innate/passive) immunity
What will be an ideal response?
The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering __________________ of the plate and meat, fish, poultry, or low-fat dairy covering __________________ of the plate.
Fill in the blank(s) with the appropriate word(s).