Oligotrophic lakes are characterized by all EXCEPT
which of the following?
a. deep water
b. steep banks
c. abundant oxygen
d. low nutrient content
e. high biomass in the profundal
Answer: e
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The two nuclei in the dikaryotic state are:
a. diploid and from the same parent b. diploid and from different parents c. haploid and from the same parent d. haploid and from different parents e. one diploid and one haploid from different parents
When the amount of thyroxine in the body increases, the basal metabolic rate of the body also increases
Indicate whether the statement is true or false
Which item would probably contain the most heat?
A) a cup of coffee that is 140 degrees F B) a person that is 98.6 degrees F C) a large lake filled with water that is 72 degrees F D) a smoldering campfire ember that is 400 degrees F
The rasping tongue, the radula, is present in which molluscan group?
A. clam B. scallops C. oyster D. bivalve E. snail