Warm water near the equator rises towards the surface, creating a current. what would you expect to happen to this current if the temperature at the equator increased? a. the current would increase in speed b. the current would decrease in speed c. the current would reverse d. nothing would happen to the current

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?

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?