Biology, 09.03.2021 19:30 jtgarner402
A scientist has a fossil that was found in a layer of rock close to Earth’s surface. He believes that the fossil is around 12,000 years old.
Which method would best allow the scientist to confirm the actual age of the fossil?
A)finding another fossil in a deeper layer of rock
B)finding another fossil in the same layer of rock
C)using carbon/nitrogen absolute dating
D)using potassium/argon absolute dating
Answers: 3
Biology, 21.06.2019 17:00
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.
Answers: 2
Biology, 21.06.2019 17:20
The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.
Answers: 1
Biology, 21.06.2019 23:00
Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?
Answers: 2
A scientist has a fossil that was found in a layer of rock close to Earth’s surface. He believes tha...
Mathematics, 26.01.2021 18:40
Social Studies, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Biology, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Physics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40
Mathematics, 26.01.2021 18:40