The Galapagos __________ are a small archipelago off the coast of South America where Charles Darwin visited as a naturalist aboard the HMS Beagle.
Fill in the blank(s) with the appropriate word(s).
Islands
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Malaria is caused by Plasmodium falciparum, a nonmotile protist that contains a cluster of microtubules at one end of the cell. Based on these characteristics, Plasmodium falciparum is classified as
A. a protozoan. B. a diatom. C. an alga. D. a slime mold. E. an apicomplexan.
Freshwater aquatic organisms are faced with the problem of preventing excessive uptake or retention of water
Indicate whether the statement is true or false
Select the most appropriate choice for each person.
A. Lyell B. Cuvier C. Lamarck D. Darwin E. Malthus F. Aristotle
Which of the following statements regarding active transport is false?
A) Active transport uses ATP as an energy source. B) Active transport can move a solute against its concentration gradient. C) Active transport requires the cell to expend energy. D) Active transport is driven by the concentration gradient.