6. Your body's internal thermostat is regulated by a. Negative feedback
b. Receptors in the skin and brain
C. positive feedback!

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

Which pair of chromosomes determines sex in humans? a.15th b.1st c.23rd