Which beat describes the first organisms on earth
a : archaea with simple dna
b: multicellular prokaryotes
c: simple eukaryotes
d: simple prokaryotes

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

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?