Eggs and larva are developmental forms of various parasites called _____.
Fill in the blank(s) with the appropriate word(s).
Helminths
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Cilia are part of the protective barrier located in the:
A. respiratory tract. B. skin. C. stomach. D. genitourinary tract.
Genetically engineered plants _____
A) are more difficult to develop than genetically engineered animals B) include transgenic rice plants that can grow in water of high salinity C) are used in research but not yet in commercial agricultural production D) are banned throughout the world
Which of the following choices is NOT an important consideration when choosing a gene for phylogenetic sequence analysis?
a) Mutations should occur randomly at a rate that reflects the true evolutionary distance between the organisms of interest. b) The marker gene should play a complex role in the cell so that it is unlikely to be subject to lateral transfer. c) The marker gene should have the same function in all the organisms of interest. d) The marker gene should be present in multiple copies due to duplication events in the organisms of interest. e) The marker gene should be large enough to contain a fair amount of phylogenetically useful information.
________ are found halfway between the equator and poles, cover the interiors of major continents, and have been largely converted to agricultural use.
A. Savannas B. Temperate rain forests C. Grasslands D. Taigas