What role do the muscles and blood vessels play in the negative feedback loop of thermoregulation? a. sensors
b. integration centers
c. stimuli
d. effectors

Why do german shepherds shed so much

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

2points what do bacteria have in common with the cells of other living organisms?