If the object doesn’t contain carbon. All living things contain carbon in some way. Except monoxide, dioxide, carbides, and carbonates
The difference in an area with high concentration and an area with low concentration is called concentration gradient.
<h3>What is concentration gradient?</h3>
Concentration gradient refers to the difference between the concentrations of two solutes in a solution.
A solution usually contains an area or region with higher concentration and an area with lower concentration.
The difference between these two areas of different concentrations is referred to as a concentration gradient.
Learn more about concentration gradient at: brainly.com/question/13050811
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Answer:
They have a backbone, most use legs,wings,or fins for movement.
