Caladium (elephant ears) plants, if eaten, inhibit salivary amylase because they produce a chemical that binds to the active site of amylase. this is an example of

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 of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above