What is the phenomenon called where the body of some animals is divided into identical segments both externally and internally?
- ASegmentation
- BMetamerism
- CHomonomy
- DHeteronomy
Explore More
Similar Questions
Select the correct option:
$(1)$ Annelids are the first animals to possess a circulatory system.
$(2)$ The heart is called myogenic.
$(1)$ Annelids are the first animals to possess a circulatory system.
$(2)$ The heart is called myogenic.
Easy
View SolutionThe first true organ system grade of body organization is developed in:
Medium
View SolutionAnimals having multiple or numerous setae are included under
Easy
View SolutionAssertion $A$: Metameric segmentation is observed in Annelids.
Reason $R$: The body of an Annelid is divided into two equal halves by a single axis.
Which option is correct for Assertion $A$ and Reason $R$?
Reason $R$: The body of an Annelid is divided into two equal halves by a single axis.
Which option is correct for Assertion $A$ and Reason $R$?
Easy
View SolutionIn which of the following phyla did a true coelom first evolve?
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo