Freshwater wetlands dominated by woody vegetation are referred to as
A) swamps.
B) marshes.
C) mangrove forests or mangals.
D) prairie potholes.
A
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Which of the following statements is not true of the seed plants?
A. Gametes are dispersed via wind or animals. B. They produce pollen. C. The sporophyte is dominant. D. They all produce ovules, which develop into seeds. E. They all produce fruit, which aids in dispersal.
In a hypotonic solution, what happens to mammalian cells such as red blood cells?
a. shrink due to water loss b. stay the same size due to water moving in and out at the same rate c. swell due to water gain d. apoptosis
Which are the products of the second part of glycolysis?
a. Two pyruvate molecules b. NADH only c. ATP and NADH d. ATP only
You are at the aquarium looking at a freshwater mammal tank and a manatee swims close to the glass. On his front flippers you see fingernails. You think, what possible use could fingernails be to a manatee, then you realize they are of no use at all. Which of the following best explains the presence of fingernails on a manatee?
A. they are remnants of the bones used by fish for their fins. B. they are homologous structures. C. the bones are protruding from the fins and only look like fingernails, even though every manatee in the tank looks like it has fingernails. D. convergent evolution has occurred. E. they are vestigial structures.