In stream and river ecosystems, the grazing food chain is of minor importance compared with the detrital food chain

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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As a couple, you have been trying to get pregnant for a few years, but there appears to be a medical cause for the infertility.  After a full checkup, your doctor tells you that there is scar tissue in the uterine tubes.  What disease is the most likely cause of this problem?

A. Gonorrhea B. Trichomoniasis C. Syphilis D. Leptospirosis

Biology & Microbiology

Fossil fuels

a. can be recycled. b. include biofuels. c. are the organic remains of ancient autotrophs. d. are still being generated by living autotrophs. e. are the remains of dinosaurs and ancient autotrophs.

Biology & Microbiology

Caterpillars of the same species on a large leaf each chew as much leaf as they can. This is an example of

A. commensalism. B. amensalism. C. interference competition. D. exploitation competition. E. interspecific competition.

Biology & Microbiology

Systemic lupus erythematosus (SLE or lupus) is distinct from other autoimmune disorders because

A) it is also a hypersensitivity disorder. B) it involves an antibody response. C) multiple organs and tissues are affected. D) it may be triggered by an infection. E) there is a genetic predisposition.

Biology & Microbiology