What is one way in which a virus is different from a bacteria? a) A virus can't reproduce on its own.

b)Only bacteria can cause disease.

c)Viruses contain DNA, but bacteria don't.

d)A bacteria is much smaller than a virus

Amolecule of one atom of carbon and two atoms of oxygen would be written oco? осо, o co2 o 200

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.