Question 5
how did charles darwin provide evidence that evolution occurs?
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Biology, 25.11.2019 00:31 noberoger2780
Question 5
how did charles darwin provide evidence that evolution occurs?
he sailed around the world on the beagle making observations.
he used dna to show where adaptations come from.
he compared two groups of finches to illustrate natural selection.
he bred turtles to show their adaptations.
Answers: 2
Biology, 22.06.2019 01:30
In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were ātrue breedingā for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
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Biology, 22.06.2019 17:00
Earthquakes a.created the rock in arches utah b.can be caused by volcanic eruptions c.are caused by tsunami waves d.wear mountains down into hills
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Biology, 22.06.2019 20:00
Transposon can cause mutations in genes at or near the site of transposon insertion. it is possible for these elements to transpose away from their original site, causing a reversion of the mutant phenotype. in some cases, however, even more severe phenotypes appear when these elements excise from this site, due to events at or near the mutant allele. what might be happening to the transposon or the nearby gene to create more severe mutations?
Answers: 2
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