Question

356/Q/193704/take Question 18 Refer to the phylogenetic tree above to answer question below. Numbers refer to groups and letters refer to traits. What trait do groups 1 and 2 both possess that none of the other groups possess? OG Ос ОА OH OB D Question 19 All of the following are types of pre-ryotic barriers EXCEPT: O chemical incompatibility of sperm anden differentiating behaviors. templisolation Wordstry Difert O vin in different habitats Question 20

Answer 1

Anis-18) correct option! - c ANS-19) comect option! Hybrid-sterility Prezygatic barrier :- prevent fertilization from Ocaring Typer Temporal :- occurs when two species mates at different LA timer of years two species occupy .) Ecological 1) Behavioral - O cour different habetates when two Speur has deferent W) Mechanical Caurtship behancura physical differences prevent copulation Post zugatie barrier -- - Types : - ;) Hybrid Infertility z Hybrid Iriability 3) Hepbrid Breakdown