True or False: The United States experienced one of the worst droughts in its history in 2012. This severe drought is strong evidence for climate change
A. true
B. false
B
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Engulfing-phagocytic cells of innate immunity of vertebrates include _____
I) neutrophils II) macrophages III) dendritic cells IV) natural killer cells A) I and III B) II and IV C) I and IV D) I, II, and III E) I, II, III, and IV
Which is a hominin?
a. chimpanzees only b. australopiths only c. baboons only d. humans and australopiths e. chimpanzee, australopiths, and baboons
Categorization of algae is challenging. In the hybrid system of algal classification, what are the categories of algae based on?
A) The type of photosynthetic pigments present, the chemical makeup of the cell wall, cellular morphology, the form in which food is stored B) The type of photosynthetic pigments present, genetic analysis of the DNA, cellular morphology, the form in which food is stored C) The type of photosynthetic pigments present, the chemical makeup of the cell wall, cellular morphology, the number of flagella D) The type of photosynthetic pigments present, the chemical makeup of the cell wall, the physical habitat of the algae, the form in which food is stored
A disease that is world-wide like HIV/AIDS is said to be
A. Communicable B. Epidemic C. Ubiquitous D. Endemic E. Pandemic