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(07.01 MC) Demitri has worked in the family deli since he w…

(07.01 MC) Demitri has worked in the family deli since he was 15. He has been handed the family business now that he is 25. His hands tremble severely when he makes sandwiches for patrons. What would explain the trembling in Demitri’s hands? Demitri is worried that his family will not like the way he is running the business. Demitri has been exposed to numerous toxic chemicals over the years from cleaning equipment at the deli. Demitri used to play maracas in band in high school and pretends he is still in the band.

(08.05 MC) Zebra mussels were first discovered in North Ame…

(08.05 MC) Zebra mussels were first discovered in North America in the Great Lakes in 1988. This invasive species eats phytoplankton and other microscopic organisms in fresh water. What would be the most likely effect if zebra mussels are introduced into a local freshwater lake?

(07.01 MC) A research team studying a lake ecosystem found t…

(07.01 MC) A research team studying a lake ecosystem found that many male fish were developing female reproductive organs, and some fish were born with deformities such as irregular fins. Which of the following would explain the observed effects on the fish population? An increase in the number of predators in the lake. An increase in the levels of noise pollution in the lake. An increase in the amount of herbicides present in the lake.