The state of Iowa is in the temperate grassland (prairie) while much of the neighboring state of Wisconsin is in the deciduous forest. Why are these two states in different biomes?
What will be an ideal response?
The best answers should include a discussion of precipitation and temperature as the primary determining factors for biome distribution. However in this case the students need to realize that deciduous trees need more moisture to exist than prairie grasses. Historically Iowa received less rainfall than Wisconsin, therefore prairie plants were selected for rather than deciduous trees.
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How can a living cell increase the rate of a chemical reaction?
A. By lowering the pH of the cytoplasm. B. By raising the pH of the cytoplasm. C. By increasing the entropy of the reactants. D. By using a catalyst. E. By raising the temperature.
The nervous system is derived mainly from which embryonic cell layer in most eumetazoans?
a. mesoderm b. epiderm c. mesoglea d. endoderm e. ectoderm
Which type of receptor detects specific solutes dissolved in a fluid?
1.chemoreceptors 2.mechanoreceptors 3.photoreceptors 4.thermoreceptors
Birds are most closely related to:
a. reptiles. b. testudines. c. mammals. d. labyrinthodonts. e. terrapins.