Our previous weather event had the possibility of freezing rain, sleet, or snow. it would be cold enough for snow if the temperature was below freezing. Why didn’t we get snow or freezing rain instead of sleet?(Oklahoma)

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?

Which image shows labeled organelles that are present only in plant cells?

Me with biology endocrine system crossword also image left i need with hw