Systematists have used a wide variety of traits to reconstruct the phylogenies of particular groups of organisms. Which one of the 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

Option-E

Explanation:

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.

Thus, Option-E is correct.

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

the missing space is phylum