The transmission of genetic material from one generation to the next is necessary for the survival of a species. which statement describes one property that to ensure the reliable transmission of genetic information in living organisms?
a) rna uses a nucleotide base called uracil to distinguish itself from dna.
b) a pyrimidine base will only pair with the correct purine base.
c) the two strands of a dna molecule cannot be separated.
d) translation of mrna to assemble a protein is an irreversible process.

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit