Answer:
Because fish are their own species.
Answer:
Paramecium never gets old because it keeps on dividing into new paramecium by reproduction.
If the theory was real, two parents with ear lobes attached could not have a child with a free earlobe. A offspring from A x A matings are marginally more, but the large numbers of F offspring from A x A matings and A offspring from F x F matings suggest that this is not a single-locus, two-allele trait.
as u see burning produces smoke, and smoke polluted our environment... and also smokecauses damageto ozone layer,ozone layer protects us from ultravoilet rays from sun ,so damaging ofozone layer creates a warm climate chage
