In aquatic animals, the most disadvantaged in terms of respiratory media are those living in ____
a. cold saltwater
b. cold freshwater
c. warm saltwater
d. warm freshwater
e. warm brackish water
ANSWER: c
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Cyanobacteria are photortophic. Which of the following would they also be considered?
A. heterotrophic B. autotrophic C. chemotrophic D. obligate anaerobes E. aerobic
The primary significance of the 1000 Genomes Project is to
A. trace human ancestors back 1000 years. B. account for the inherent error rate of sequencing by including a greater sample size. C. identify the 1000 most important genes to human health. D. take into account the variation in human genomes across populations.
Which of the following is NOT an accessory organ?
a) liver b) gall bladder c) pancreas d) stomach
Selection that acts over evolutionary time to preserve traits that increase an individual's ability to mate is known as __________.
a. directional selection b. disruptive selection c. sexual selection d. stabilizing selection e. balancing selection