If there are 10,000 calories of net primary productivity in a field, how much, on average, will be available to a secondary consumer?
A. 100 calories
B. 1 calorie
C. 10 calories
D. 10,000 calories
E. 1,000 calories
A. 100 calories
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A botanist examines two plants. Plant A has large colorful petals; plant B has extremely tiny white flowers. Which one is most likely animal pollinated?
A. Plant A B. Plant B 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 animal-pollinated plants? What other information is related to the question? Choose Answer Given what you now know, what information 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?
Examine this diagram of short tandem repeats found in DNA profiling of three suspects in a crime. Man 1 shares the same number of STRs as 1 in 5,000 people. Man 2 shares the same number of STRs as 1 in 10,000 people. Man 3 shares the same number of STRs as 1 in 3,500 people. DNA extracted from samples at the crime scene found 6 STR repeats, based on the data provided, it can be interpreted that
A. it is more rare to have six STRs than five or seven.
B. Man 2 must be guilty, based on this proof.
C. no conclusion can be made, because the STRs all repeat the same sequence of C-T-A.
D. Man 2 is likely guilty, considering that he has a rare STR profile that matches crime scene samples.
E. STR numbers match Man 2.
Which of the following is a function of mineralocorticoid hormones?
Which tissue is part of the wood of a tree, not the bark?
A) cork B) cork cambium C) xylem D) phloem