How is relative-age dating used to determine the ages of fossils?
a. by observing the...
Biology, 19.11.2019 15:31 sophie5064
How is relative-age dating used to determine the ages of fossils?
a. by observing the formation of sedimentary rocks
b. by using radioactive isotopes
c. by estimating the number of fossils in a particular region
d. by the formation of igneous rocks e. by identifying the way the fossils were formed
Answers: 2
Biology, 21.06.2019 21:20
Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms
Answers: 2
Biology, 22.06.2019 07:50
One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.
Answers: 3
Biology, 22.06.2019 10:00
What organ is the first to receive nutrients that have been absorbed from the digestive tract?
Answers: 1
Biology, 22.06.2019 13:10
Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?
Answers: 2
Mathematics, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Physics, 12.12.2021 07:00
Computers and Technology, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Spanish, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Physics, 12.12.2021 07:00
History, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Physics, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00
Mathematics, 12.12.2021 07:00