In most terrestrial and many aquatic ecosystems, the ________ food chain is the dominant pathway of energy flow
A) detrital
B) grazing
C) consumer
D) heterotroph
A
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Marsupial moles and placental moles do not share a recent common ancestor but they are both adapted to living underground, with similar body shape, reduced eyes, and spade-like legs for digging. This is an example of _________________ evolution.
Fill in the blank(s) with the appropriate word(s).
The process of replica plating was designed to test if mutations occurred in response to a selective agent or if mutations were naturally present in the population before selection
Indicate whether the statement is true or false
Cutting DNA with a particular restriction enzyme produces DNA fragments that can be separated by ________
A) gel electrophoresis B) enzymes C) recombinant DNA D) plasmids
Mammals that have live births but continue to incubate newborns in a pouch are
A. primates. B. rodents. C. marsupials. D. monotremes.