Black smokers are rich in ________, while white smokers have high levels of ________
a. iron sulfide; copper sulfide
b. copper sulfide; zinc sulfide
c. zinc sulfide; copper sulfide
d. copper sulfide; iron sulfide
b
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All of the following are true about migration EXCEPT:
a. It is a seasonal activity. b. Animals move between habitats. c. The costs associated with the activity outweigh the benefits of moving. d. Movement occurs due to changes in the habitat
This portion of the graph shows the free energy of the reaction
a. A b. B c. C d. W + X e. Y + Z
Oxpeckers are a type of small bird that land on zebras and eat ticks and other parasites that live on the zebra’s skin. The oxpeckers get food and the zebras get pests removed.
A. Mutualism B. Commensalism C. Parasitism D. Predation
Please refer to the figure of the genetic code. Which of the following mutations in a co-don are likely to be selectively neutral?
a. UUG ->CUG b. AUA ->AUG c. AAC -> AAA d. UGC -> UGA e. AGC -> AGA