A population grows exponentially when
A) the death rate equals the birth rate and immigration is equal to emigration.
B) the carrying capacity is exceeded.
C) emigration exceeds immigration and the birth rate equals the death rate.
D) the birth rate and the death rate are equal.
E) the birth rate exceeds the death rate and immigration exceeds emigration.
E
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Runners are modified stems that resemble roots and are also known as ____
a. stolons b. rhizomes
c. bulbs d. corms e. Tubers
There are two forms of human earwax: wet and dry. W is a dominant allele that produces wet earwax. In a sample of Swedes, you measure the following genotypes: WW= 810, Ww =180, and ww = 10 What is the allele frequency of W?
a. 10% b. 25% c. 50% d. 90%
The "one gene-one enzyme" hypothesis states that
A) the synthesis of each gene is catalyzed by one specific enzyme. B) the synthesis of each enzyme is catalyzed by one specific gene. C) the function of an individual gene is to dictate the production of a specific polypeptide. D) the function of each polypeptide is to regulate the synthesis of each corresponding gene.