Which of the following statements describes how you would classify figure 28.2 as a negative feedback loop?
a
the control center counteracts change from a set point.
b
the sensors notice an increase away from a set point.
c
nerves and hormones carry messages to target organs.
d
a target organ receives and responds to a message.

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.

Which part of the spine is likely to cause a nerve signal to travel faster? a. backbones b. white matter c. nuclei d. gray matter

Light sensitivity in euglena is provided by the