<span>It
considered that all terrestrial plant species that exist today have evolved
from Rhyniophyta (a type of spore plants, compiled by the most primitive forms
of vascular). Now terrestrial plants presents by the Moss family, psilotaceae, lycopsids,
class of the Horsetail, fern, gymnosperms and flowering plants. Based on the cladogram, It assumed that the
ancestors of all existing plants are algae, particularly green.</span>
Obsessive-compulsive disorder is
an anxiety disorder in which an individual have persistent unwanted thoughts or
obsessions that gives them the urge to do something repeatedly. People with obsessive-compulsive
disorder find it difficult to stop the compulsive acts or to keep their focus
off the obsessions and an attempt to stop it can lead to depression and severe
anxiety. For the question given above, George is likely to experience severe
anxiety if he tries to stop his compulsive behaviors.
They separate during <span>anaphase I of meiosis I. </span>