If two populations are geographically restricted groups of the same species, but display one or more traits that are somewhat different, the two groups are sometimes classified as
A. subspecies
B. ecotypes
C. macrospecies
D. morphological species
E. subspecies or ecotypes
E. subspecies or ecotypes
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The primary difference between mitosis and meiosis in animals includes all of the following except
a. the generation of haploid cells from diploid cells. b. the number of daughter cells that result (2 or 4). c. the number of times chromosomes align at the metaphase plate. d. the purpose of generating reproductive cells as opposed to generating somatic cells. e. the number of times the DNA is replicated.
Fate of catabolism products
What will be an ideal response?
Anatomical parts of the body that serve little or no function are referred to as
A) homologous structures. B) hyperplasia. C) vestigial structures. D) somites. E) dysplasia.
Viruses are not considered living organisms because they
A) cannot reproduce by themselves. B) are structurally very simple. C) can only be visualized using an electron microscope. D) are typically associated with disease. E) are ubiquitous in nature.