Lakes with elevated dissolved nutrients and low water clarity are called

A. lotic.
B. oligotrophic.
C. eutrophic.
D. pelagic.
E. photic.


C. eutrophic.

Biology & Microbiology

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An abnormal increase in the number of normal cells in the tissues, organs or cells.

A. Anaplasia B. Hypoplasia C. Hyperplasia D. Dysplasia E. None of the above.

Biology & Microbiology

A volcanic eruption carves the island into two populations (A1 and A2, 50,000 individuals each). The rodents cannot cross the lava even when it has cooled

Immediately after the eruption you take 100 individuals from each of populations A1 and A2, and sequence the same 100 base-pair gene region in the mitochondrial DNA (mtDNA) of each individual. You are shown a DNA sequence chosen at random from the total pool of 200 sequences; can you tell which population, A1 or A2, it comes from? A. yes B. no

Biology & Microbiology

Based on the temperature range and precipitation, the area on Figure 56-1 labeled 3 represents which of the following biomes?


a. savanna
b. temperate deciduous forest
c. temperate rain forest
d. taiga
e. tundra

Biology & Microbiology

If a DNA template strand has a sequence of 3? TACAATGTAGCC 5?, the RNA produced from it will be which sequence?

A. 5?ATGTTACATCGG3? B. 3?AUGUUACAUCGG5? C. 3?TACAATGTAGCC5? D. 3?ATGTTACATCGG5? E. 5?AUGUUACAUCGG3'

Biology & Microbiology