$(a)$ What function is performed by human arms,forelimbs of a dog,and forelimbs of whales?
$(b)$ Which type of organs are these?
$(c)$ Why are they called so?
$(b)$ Which type of organs are these?
$(c)$ Why are they called so?
(N/A) Human arms are used for holding and manipulating objects.
Forelimbs of a dog are used for running and locomotion.
Forelimbs of whales are used as paddles for swimming.
$(b)$ These are known as homologous organs.
$(c)$ They are called homologous organs because they share a common ancestral origin and similar basic anatomical structure,even though they have evolved to perform different functions in different environments.
Forelimbs of a dog are used for running and locomotion.
Forelimbs of whales are used as paddles for swimming.
$(b)$ These are known as homologous organs.
$(c)$ They are called homologous organs because they share a common ancestral origin and similar basic anatomical structure,even though they have evolved to perform different functions in different environments.
Explore More
Similar Questions
Study the following cross showing self-pollination in $F_1$ generation,fill in the blank,and answer the question that follows:
Parents: $RRYY \times rryy$
(Round,yellow) (Wrinkled,green)
$F_1$: $RrYy \times$ ?
(Round,yellow)
Parents: $RRYY \times rryy$
(Round,yellow) (Wrinkled,green)
$F_1$: $RrYy \times$ ?
(Round,yellow)
Easy
View SolutionWho was the first scientist to perform a series of experiments to study acquired and inherited traits?
Easy
View SolutionFrom the list given below,select the character which can be acquired but not inherited.
Easy
View SolutionHow can we say that a change in genes can bring about a change in $DNA$?
Medium
View SolutionEvolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.
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