Purple flowers are dominant to white flowers in peas. If a purple flowered plant and a white flowered plants are crossed multiple times and 154 offspring are produced - 78
with white flowers and 76 with purple flowers. If you perform a chi-squared test, what
would be the number of degrees of freedom for this cross?

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

Which of the following statements about protists are true? a. they are typically found in moist environments. b. they are all unicellular. c. they have a nucleus. d. they are all multicellular.