A student wants to test the effects of type of exercise on heart rate. What is the dependent variable?Type of exercisetype of exercisetime of day exercise occurstime of day exercise occursheart rateheart rateamount of exercise

The production of cells during mitosis into specialized function is recombination or differentiation

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Asample of digestive juice was removed from the stomach of a pig. the juice was placed in a test tube along with some grains of wheat. a second test tube was set up containing an equal number of wheat grains, with distilled water rather than digestive juice. the test tubes were kept for 8 hours at 40 degrees c. after 8 hours, the grains inside the digestive juice had broken into tiny particles. the grains of wheat, in the water, were wet but otherwise unchanged. what is the control group?