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- Identification of different paleospecies in the fossil record: Group of answer choices: all of the options are true is easily established using reproductive isolation as a criterion for distinguishing one species from another. is facilitated by the understanding that most fossil species are ancestral to living (extant) species. is profoundly affected by assumptions of the amount of variation within species.Multiple Cholce Question The. approach creates phylogenies based on shared derived characters and ancestral characters. O taxonomic O genetic O paleontologic O cladisticWhich of the following organisms would be most likely to fossilize? a. a common wormb. a common squirrelc. a rare squirreld. a rare worme. an imaginary friend
- Discuss the pace of evolution by describing punctuated equilibriumand phyletic gradualism.How do the morphological, biological, and phylogenetic speciesconcepts differ? (Please mention answer and explanation section separately. mention atleast 3-4 points of difference)Q:The fossil record supports the seamless transition of ancestor species into descendant species. True or false
- Species that have undergone higher rates of change (long-branched taxa) tend to be linked incorrectly in a phylogeny inferred by the parsimony method. Group of answer choices True FalseWhich scenario would be a moder nexample of Lamarckianismm? A strain of houseflies resistant to insecticides emrges Squirrels separated by a river are found to be unable to interbreed Snails are found to have thicker shells generations after the introduction of a predator A son is bornw ith a portion of his right index finger mssing -- the same portion that was severed from his father's hand in an accident.What notion is common to the defintion of morphological species, biological species, and phylogenetic species? ( 500 words min)
- Explain at least one reasonable hypothesis about what caused the extinction of the dinosaurs at theK–T extinction (abbreviation of Cretaceous–Tertiary extinction) also called the K–Pg extinction or Cretaceous–Paleogene extinction event about 66 million years ago.In your own words, differetiate fossils and trace Fossils.Consider two species that diverged whilegeographically separated but resumed contactbefore reproduction isolation was complete. Predictwhat would happen over time if two species matedindiscriminately and a. hybrid offspring survived and reproducedmore poorly than offspring from intraspecificmating or b. hybrid offspring survived and reproduced aswell as offspring from intraspecific mating.Provide an example for each to illustrate yourpoint.