Despite disturbances, communities always reach a state of equilibrium
1.True
2.False
2
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Why are children often told that if they eat too much candy their teeth will fall out?
A. Sugar attacks tooth enamel. B. Sugars gradually replace the tooth enamel. C. Bacteria use the sugar to make ATP. This fermentation process produces acids as a by-product. D. Bacteria secrete acids in order to digest the sugar molecules. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know sugars? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The Hardy-Weinberg law can be used to calculate allele and genotype frequencies without genetic testing
a. True b. False
From what food source do most of the calories in a typical American diet come?
A) meat B) cereal grains C) legumes D) plant leaves
In a tide pool, a student encounters an organism with a hard outer covering that contains much calcium carbonate, an open circulatory system, and gills. The organism could potentially be a crab, a shrimp, a barnacle, or a bivalve
The presence of which of the following structures would allow for the most certain identification of the organism? A) a mantle B) a heart C) a body cavity D) a filter-feeding apparatus