Several tomato plants are growing in a small garden plot. If soil water potential were to drop significantly on a hot, summer afternoon, which of the following would most likely occur?
A) Size of stomatal openings would decrease.
B) Transpiration would increase.
C) The leaves would become more turgid.
D) The uptake of carbon dioxide would be enhanced.
A
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What is a simple way for determining if an annelid is a polychaete or a clitellate?
A. The number of segments B. Possession of a closed circulatory system C. The amount of chaetae (setae) D. The layout of the digestive system Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about annelids? 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?
What are fastidious organisms and how do you culture them?
What will be an ideal response?
Which one of the following has the cellular components arranged in order of increasing size?
A) Amino acid < protein < mitochondrion < ribosome B) Amino acid < protein < ribosome < mitochondrion C) Amino acid < ribosome < protein < mitochondrion D) Protein < amino acid < mitochondrion < ribosome E) Protein < ribosome < mitochondrion < amino acid
NASA Scientists send a small population of dogs to a new planet in order to test if it will be hospitable for human colonization. Through a random lottery, only Great Dane and St. Bernard dog breeds are sent, and the resulting population consists of tall, longhaired dogs. After 100 years these dogs return to Earth and are no longer able to mate with Earth dogs. This scenario is an example of
A. sympatric speciation through genetic drift. B. sympatric speciation through natural selection. C. allopatric speciation through genetic drift. D. allopatric speciation through natural selection.