Are you looking for the term for a chemical pollutant?
I am pretty sure it is CD4 cell
The evidence supporting the idea that modern birds and reptiles share a common ancestor is that feathers are a derived characteristic that first evolved in reptiles. Feathers represent an evolutionary derived trait.
In evolutionary biology, an autapomorphy is a distinctive phenotypic trait referred to as a derived trait, which is unique to a particular group/taxon.
The derived traits are phenotypic features that arise during the evolution of a particular taxonomic group.
These traits (derived traits) differ from the phenotypic trait of the ancestor of the group.
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dear user
the answer is option no.1 protons are in the nucleus and ,with electrons and neutrons orbiting the nucleus
It is converted into Carbon dioxide which is given off as a waste product
