A(n) _____________________ depicts the evolutionary relationships between related species. Fill in the blank(s) with the appropriate word(s)
phylogenetic tree
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What is the hypothetical result of different mutations accumulating in different populations?
A. the evolution of different species B. the extinction of one population C. merging the populations through migration D. fixation of the same alleles in both populations E. decreased genetic isolation
All of the following are adaptations against excessive water and salt exchange between animals and their surrounding environment except:
a. having very permeable tissues. b. covering body with mucus. c. living inside a tube that can be isolated from the external environment. d. covering the body with a hard exoskeleton. e. actively absorbing salt ions with gills.
When used in a description of viruses, the term replication includes
A. the production of multiple copies of a virus by a host cell. B. the copying of the genomic RNA in an RNA virus. C. the copying of the viral DNA in a DNA virus. D. All of these choices are correct.
Draw an energy pyramid and provide specific examples of each level.
What will be an ideal response?