मराठी

What is Difference Between Bilateral Symmetry and Radial Symmetry? - Science

Advertisements
Advertisements

प्रश्न

What is difference between bilateral symmetry and radial symmetry?

फरक स्पष्ट करा

उत्तर

Bilateral Symmetry Radial Symmetry
 1. Limbs and organs are paired.


1.Limbs and organs occur all around the central axis. 
2. Cephalization is present. 2. Cephalization is absent.
3. The animals body can be divided into two equal halves (i.e., mirror images) by one plane called midsagittal plane. 3. The animal’s body can be divided into two equal halves by any vertical plane passing through the central axis.
Examples. Earthworm, fish, frog, human, being, etc. Examples. Hydra, starfish, etc. 
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Diversity in Living Organisms - Short Questions Answer 1 (Carrying 2 Marks) [पृष्ठ २६०]

APPEARS IN

पी एस वर्मा आणि व्ही के अग्रवाल Biology [English] Class 9
पाठ 4 Diversity in Living Organisms
Short Questions Answer 1 (Carrying 2 Marks) | Q 27 | पृष्ठ २६०

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What are the differences between amphibians and reptiles?


How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?


Main characteristics of Nematoda:


Write down four general characters of phylum Arthropoda. Give two examples.


Write down four characters of Chondrichtyes. Give two examples.


What are differences between the following :

(a) Cartilaginous fishes and bony fishes ;

(b) Amphibia and Reptilia ;

(c) Aves and mammals.


Describe the important characters of mammals and birds. Give two examples of each.


What are the group names of the following categories of animals?

Animals with a hairy skin ___________


Give any one difference between the following :

Flatworm and Roundworm


Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.

Bat - Aves, Mammalia, Chordata


Give four important characters of mammals.


Write two main characters of the following animal and name the phylum it belongs to: Jelly fish


Write the name of a mammal who lives in water.


Give two examples of each of the following: Pisces


Give two examples of each of the following: Arthropoda


Fill in the blanks:

The excretory organs of platyhelminthes are ______.


Fill in the blanks:

Nephridia are the excretory organs of ______.


Choose the correct answer: Which of the following is not a helminth parasite?


Choose the correct answer: 'Systema naturae' has been written by


______ in 1623, introduced the binomial nomenclature.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×