Biology, 28.10.2019 11:31 jenhowie2944
The graphs above show a change in distribution of beak phenotyzes x, y, and z over 10 generations. notice that beak x completely disappears from the population by generation 5, but reappears by generation 10. could this occur in nature? how? yes, the alleles for beak x could remain in the population as a recessive gene. yes, the birds could mutate their beaks in response to a change in the environment. yes, genetic mutation is so frequent that beak x will likely reappear randomly by generation 10. no, once birds with beak x are extinct, they cannot appear again.
Answers: 3
Biology, 21.06.2019 19:30
What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.
Answers: 1
Biology, 22.06.2019 02:00
Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel
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Biology, 22.06.2019 14:20
As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.
Answers: 1
The graphs above show a change in distribution of beak phenotyzes x, y, and z over 10 generations. n...
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