A shell is considered to be biotic since it comes from something living. Biotic describes something that is living or once living in a community. These are plants and animals. Shells are considered biotic since they are from living organisms. Hope this answers the question.
A shell is considered to be biotic since it comes from something living. Biotic describes something that is living or once living in a community. These are plants and animals.
Answer: Energy released in the electron transport chain is captured as a proton gradient, which powers production of ATP by a membrane protein called ATP synthase.
