What do type A positive and AB negative blood have in common?
A. anti-B antibodies and Rh antigens
B. A antigens
C. A and B antigens
D. A antigens, anti-B antibodies
E. A antigens and Rh antigens, anti-B antibodies
Answer: B
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Select the reasons why adaptive radiations are often observed on remote volcanic islands. Check all that apply.
_____ When a new volcanic island forms, there are many empty niches. _____ Only a few individuals reach remote islands. _____ Remote islands have more plant diversity than the mainland does. _____ Evolution is intrinsically faster on islands than on the mainland.
Batrachochytrium dendrobatidis is a chytrid fungus that:
A. forms dendritic patterns of wood decay B. is a major pollutant in sewage wastewater C. readily captures cyanobacteria to form a lichen D. causes declines in frog populations E. is a major cause of pneumonia in AIDS patients
Bacterial endospores function in
A. reproduction. B. survival. C. protein synthesis. D. storage.
About which of these did Darwin have a poor understanding?
A) that individuals in a population exhibit a good deal of variation B) that much of the variation between individuals in a population is inherited C) the factors that cause individuals in populations to struggle for survival D) the sources of genetic variations among individuals E) how a beneficial trait becomes more common in a population over the course of generations