Biology

Biology, 25.07.2019 03:40, liliaboop9325

How is a new species or group of species represented in the scientist's model?

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Biology, 05.07.2019 23:10, babyj93

The genomes of three species of mouse are being sequenced, and a particular dna sequence found in all three species is found to have a steady mutation rate. the sequence of interest for these three species is shown below. species a: attcggattattcgagg species b: gtccggttcattggaca species c: atccagatcgttcgtgg which of the following inferences can be made, based on this information? species b and species c most likely diverged from species a since they both have more mutations than species a. species b most likely evolved from species c since they are closest to each other in terms of number of mutations. species a and species c most likely share the most recent common ancestor since they differ by the fewest mutations. species c most likely diverged from species a more recently than species b since species c has fewer mutations than species b.

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Biology, 23.07.2019 03:00, cowerdwhisper23

The genomes of three species of mouse are being sequenced, and a particular dna sequence found in all three species is found to have a steady mutation rate. the sequence of interest for these three species is shown below. species a: attcggattattcgagg species b: gtccggttcattggaca species c: atccagatcgttcgtgg which of the following inferences can be made, based on this information? a. species b and species c most likely diverged from species a since they both have more mutations than species a. b. species b most likely evolved from species c since they are closest to each other in terms of number of mutations. c. species a and species c most likely share the most recent common ancestor since they differ by the fewest mutations. d. species c most likely diverged from species a more recently than species b since species c has fewer mutations than species b.

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Biology, 25.07.2019 19:30, trixxytang

Biologists have several different ways to define species. 1. according to the species concept, a species is a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring. the separation between species is maintained by isolation, which prevents gene flow between species. but in some cases, distinct species can occasionally interbreed, producing offspring. 2. alternatively, the species concept identifies species based on physical traits or body form. this species concept can be applied to species, and it is the way most of the 1.8 million named species have been identified. 3. in the species concept, species are defined by their niche--the role they play in the environment. 4. the species concept defines species as the smallest group of individuals that share a common ancestor and form one branch on the tree of life.

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Biology, 12.08.2019 18:20, issacurlyheadka

Species a: attcggattattcgagg species b: gtccggttcattggaca species c: atccagatcgttcgtgg which of the following inferences can be made, based on this information? a. species b and species c most likely diverged from species a since they both have more mutations than species a. b. species b most likely evolved from species c since they are closest to each other in terms of number of mutations. c. species a and species c most likely share the most recent common ancestor since they differ by the fewest mutations. d. species c most likely diverged from species a more recently than species b since species c has fewer mutations than species b.

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