Avirus is not considered a true living thing because it lacks one of the requirements of life.

the ability to respond to stimuli
the ability to reproduce
the ability to grow and develop
the ability to utilize a form of energy

depends where

on my head

yes

on my legs

yes

on my

arms

yesh

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.