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I think the passage is trying to tell the reader that they shouldn't lose faith in people/animals just because they are elderly/weak when they are loyal to you because it will hurt their self-esteem.
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in single-celled organism,signaling allows population of cells to coordinate with one another and work like a team to accomplish tasks no single cell could carry out on its own. the study of cell signaling touches multiple biological disciplines 5 years developmental biology , neurontology, and endocrinology.
* explanation* : hope this helped you
It also plays a key role in shaping organic molecules. Carbon<span> is very </span>important<span> to the chemistry of living things, mainly because of the versatility of structures it can form with itself and with other atoms</span>
The sporophyte represents Asexual form of the plant, the gametophyte represents the sexual form of the plant
