Respiration is one of the characteristics of living things. Name the characteristic of living things that is defined by:
the ability to detect and respond to changes in the environment
an action by an organism causing a change of position or place

correct answer is a. and d.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.