HELP ITS DUE TODAY PLEASE WILL GIVE BRAILIEEST

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Which of these is not a nucleotide base found in dna?

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .