Which of the following groups is not a type of mammals?
A. Monotremes
B. Eutherians
C. Marsupials
D. All of the above are types of mammals
Answer: D
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Saliva contains the hydrolytic enzyme, salivary amylase, which initiates the breakdown of the polysaccharide _________ into the disaccharide, maltose.
A. sucrose B. starch C. glucose D. fructose E. cellulose
Four of the five answers below are correct statements about seedless vascular plants. Select the exception
a. Sporophytes are independent of gametophytes. b. Water is not needed for gamete transport. c. Sporophytes have vascular tissue. d. Seeds are not produced. e. Living members still exist.
The general relationship between available light and leaf area index (LAI) is described by
A) Bohr's law. B) Beer's law. C) Leibig's law. D) the Central Limit Theorem.
A rancher is suspected of shooting wolves near Yellowstone National Park, and you have been enlisted to go have a chat with him. The rancher doesn't see any benefit to having the wolves there. What do you say?
A. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, logistic growth. Wolves help reduce the fecundity rate, keeping the population at a reasonable level." B. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a metapopulation. Wolves help reduce the biotic potential, keeping the population at a reasonable level." C. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, exponential growth. Wolves help reduce the carrying capacity, keeping the population at a reasonable level." D. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, density-dependent growth. Wolves help reduce the age structure, keeping the population at a reasonable level."