1.Which of the following could be the goal of a negative feedback loop?

options:

to enhance an action of a stimulus

to release hormones

to signal receptors to take in sensory information

to return a substance to a normal level

2.When are feedback loops used in any system?

options:

When the system needs more of something.

When the system needs an enhanced outcome.

When a stimulus causes the system to move out of balance.

Only in emergency situations.

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

atp is used for energy.