Macroscopically visible growths or clusters of microorganisms on solid media are called ________.
Fill in the blank(s) with the appropriate word(s).
colonies
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Bile
a. is produced by the liver and is stored in the gallbladder. b. contains cholesterol and lipids. c. has no digestive enzymes. d. emulsifies fats to increase the surface contact between fat and lipases. e. fits all of these descriptions.
What is a disadvantage to having an exoskeleton?
a. Exoskeletons interfere with ingestion. b. Exoskeletons severely limit locomotion. c. Exoskeletons do not prevent desiccation. d. Exoskeletons do not provide adequate protection from predators. e. Exoskeletons must be shed when the animal grows, exposing the animal to predators.
Which of these types of islands is predicted to have the lowest number of species?
A. A large island near mainland B. A large island far from mainland C. A small island far from mainland D. The island closest to mainland regardless of size E. A small island near mainland
In aquatic environments, high levels of nutrients can act as pollutants
Indicate whether the statement is true or false