Which of the following is characteristic of all algae?
a. They are unicellular.
b. They are multicellular.
c. They have life cycles with alternating generations.
d. They have chlorophyll.
Ans: d. They have chlorophyll.
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Gene cloning
A. is the process of making multiple copies of a gene. B. is the process of isolating a particular gene of interest. C. is the process of determining the nucleotide sequence of a gene of interest. D. is the process of taking a gene of interest in one organism and putting it into another organism. E. is the process of making an organism that is genetically identical to its parent and its siblings.
What is the effective population size of the Florida panther if only 20 males are breeding with 50 females?
A. About 4 individuals B. About 14 individuals C. About 57 individuals D. About 70 individuals E. About 80 individuals
A population declines when
A. animals are removed randomly. B. death rate exceeds reproductive rate. C. reproductive and death rates are equal. D. reproductive rate exceeds death rate. E. smaller animals are selectively removed.
The common house mouse species, Mus musculus, has the following taxonomic classification: Mus, Muridae, Rodentia, Mammalia, Chordata, Animalia, Eukarya. Which part of the name is the Family?
A) Rodentia B) Chordata C) Muridae D) Animalia