Competition shapes communities because there are usually limited
A. nutrients.
B. species.
C. interactions.
D. resources.
Answer: D
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Rat-bite fever caused by S. minus can be differentiated from that caused by S. moniliformis by:
a. chills, fever, headache, vomiting, and of-ten severe joint pains. b. a granulomatous lesion. c. septic arthritis. d. endocarditis.
In the above diagram, the ____ is (are) labeled
with the letter "E".
a. esophagus b. larynx c. trachea d. epiglottis e. bronchi
Which of these are examples of the effects of rising temperatures?
a. marmots are coming out of hibernation later in the year b. plants are blooming earlier in the year c. animals that were traditionally only found in temperate areas are being found in tropical zones d. maple trees are making more syrup than ever before e. all of the above
Rank the following one-base point mutations (from most likely to least likely) with respect to their likelihood of affecting the structure of the corresponding polypeptide. 1. insertion mutation deep within an intron 2
substitution mutation at the third position of an exonic codon 3. substitution mutation at the second position of an exonic codon 4. deletion mutation within the first exon of the gene A) 1, 2, 3, 4 B) 4, 3, 2, 1 C) 2, 1, 4, 3 D) 3, 1, 4, 2