Biology, 02.08.2019 19:30 bcifuentes
Seven species of snapping shrimp are found on either side of the isthmus of panama. what data provides good evidence that this is speciation by vicariance? a. that populations on opposite sides of the isthmus are reproductively incompatible. choice b., the dna of each current species is most similar to that of a species found on the opposite side of the current isthmus. choice c., the rate of evolution can be calculated because the populations have been separated for about 3 million years. choice d., that it takes about 3 million years for accumulation of enough mutations to result in new species of snapping shrimp.
Answers: 1
Biology, 21.06.2019 19:00
Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.
Answers: 1
Biology, 22.06.2019 07:00
Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs
Answers: 1
Biology, 22.06.2019 10:30
Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection
Answers: 2
Seven species of snapping shrimp are found on either side of the isthmus of panama. what data provid...
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