The hard mineral defense of silica plates found in some grasses is effective because:
A. silica does not taste good, so herbivores
don't feed on the grass that contains it.
B. silica is abrasive and it wears down insect
mouth parts, so insects feed less efficiently
and more slowly.
C. silica is a chemical defense that is toxic to
most herbivores.
D. silica is able to be consumed by
herbivores and used to deter their predators.
E. silica binds to proteins and prevents their
uptake from the guts of herbivores.
B
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A couple is having difficulty conceiving a child, and they decide to see a fertility specialist. Which two organ systems will the specialist examine in this couple?
A. reproductive and nervous systems B. endocrine and urinary systems C. reproductive and endocrine systems D. reproductive and urinary systems 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 fertility? 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?
Bacteriophages may reproduce using a __________
pathway in which viral DNA becomes part of the host chromosome. Fill in the blank(s) with the appropriate word(s).
After completion of a genome sequencing project, the DNA sequences are analyzed to locate and identify genes in a
process called _____. a. automation b. comparative genomics c. physical mapping d. compilation e. annotation
What is the advantage of ova production resulting in one egg and three polar bodies?
A) This removes Golgi complex, lysosomes, and other organelles from the egg. B) This allows the egg to receive most of the cytoplasm. C) This creates more polar bodies, which are the cells that will actually be fertilized. D) This reduces egg size by distributing most of the cytoplasm to the polar bodies. E) This allows the egg to receive all the chromosomes.