Primary producers! They get their energy directly from the sun through photosynthesis. All consumers lose some energy from the previous level through indigestible parts, such as plant root (or later bones)
Answer:
Parasitism
Explanation:
One organism benefits, and one is harmed.
Nerve cells communicate by sending an electrical signal through an axon, from this molecules get released into the synapse this then binds itself onto receptor sites. With ion-linked channel receptors, the ligands get binded to a protein. The ion channels are then opened and the proccess gets repeated. Does that help?
A model organisms is a species that has been widely studied, usually because it is easy to maintain and breed in a laboratory setting and has particular experimental advantages. model organisms are non-human species that are used in the laboratory to help scientists understand biological processes.
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First part is explaining second part is explaining the uses)
