Spiders are predators that will eat just about any animal they can subdue. A spider that feeds

on crickets is thus a __________.



a. specialist and tertiary consumer
b. generalist and tertiary producer
c. specialist and secondary consumer
d. generalist and secondary producer


C

Biology & Microbiology

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Sulfur dioxide released by coal-burning power plants contributes to _____

a. ozone destruction b. sea level rise c. acid rain d. desertification

Biology & Microbiology

A hummingbird that pollinates morning glory

flowers and nests in the crotch of an apple tree. The apple tree is not harmed or helped by the hummingbird. The relationship between the hummingbird and the apple tree is a

a. mutualism. b. commensalism. c. competition. d. parasitism. e. predation

Biology & Microbiology

Who originally discovered the process of bacterial transformation?

A. Watson and Crick B. Chargaff C. Griffith D. Meselson and Stahl E. Hershey and Chase

Biology & Microbiology

Koch's Postulates for identifying a pathogen require all of the following EXCEPT

A) re-inoculation and production of disease. B) sequencing the DNA of the suspect organism. C) isolating an organism from a diseased host. D) culturing an organism in pure form.

Biology & Microbiology