Systematists have used a wide variety of traits to reconstruct the phylogenies of particular groups of organisms. Which one of t
he following traits produces a good estimate of phylogeny? a-molecular traits
b-gross morphological traits
c-behavioral traits
d-biochemical traits
e-all of the above traits combined
Systematics is an interdisciplinary of the taxonomy, which deals with the systematic classification of organism present on Earth.
The systematic classify the organism on the basis of their traits which can help them in showing the relationship in terms of evolutionary history and in present time.
The systematics is the advanced field of taxonomy as once the systematics started with the morphological characteristics but now along with morphology the molecular, biochemical and behavioural traits are utilised.
Only about 3 percent of the worlds water is fresh, and even less than that is usable, because most of it is locked up in glaciers or in permanent snow fields.