Which species is named for their ability to use tools?
a. Homo erectus
b. Homo habilis
c. Australopithecus afarensis
d. Homo floresiensis
e. Neanderthals
ANSWER: b
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A friend makes the argument that transgenic crops have only been used to enrich large corporations, not to improve people’s health. What is the best counterexample?
A. Golden rice B. Bt maize C. Glyphosate-resistant soybeans D. Cre-Lox 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 transgenic crops? 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?
Which of the following are purines?
A) adenine and guanine B) adenine and thymine C) guanine and uracil D) guanine and cytosine
A(n) ________ is composed of one sugar (deoxyribose or ribose), one phosphate, and one nitrogenous base.
a. DNA b. RNA c. Nucleotide d. Amino Acid e. None of the above
Peat bogs primarily consist of _____
a. chytrids b. ferns c. liverworts d. hornworts e. mosses