A stressor can be something "good" or pleasant as well as something bad true or false

(Anatomy and physiology)

True

Explanation:

A stressor can be defined as the biological, chemical, environmental, or economical events that causes stress to a person. A stressor can be both good and bad because a stressor considered as challenging and demanding, so its not always bad to feel the same.

For example: when we are going for a roller coaster ride for fun, it also causes stress while having fun but that is a good stressor and when you are going for a date it can also cause stress which is also a good stress.

Bad stress may include financial weakness and death of close one.

Hence, the given statement is true.

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.