The loss of an organism at the bottom of a food chain negatively impacts all organisms in the chain.

Its true

Explanation:

i took the test on edge and got it right

where is the circuit diagram ?

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.