Agene for disease resistance in fir trees is transferred to pine trees using modern dna technology. how might this be economically to tree farmers? a) abnormal pine tree growth would be eliminated. b) erosion of topsoil would no longer be a concern. c) pine trees would be safe from pine beetle attacks. d) more pine trees would live to maturity, increasing lumber output.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Which of the following is not associated with invasive species?