Advertisements
Advertisements
प्रश्न
Write a short answer.
What is an exoskeleton? How is it different from a backbone?
उत्तर
The exoskeleton is a tough outer covering of an animal body. e.g. Crab, lobster have exoskeletons.
Exoskeleton
- It is a rigid external covering of the body that provides support and protection to the body.
- It is present in invertebrates.
- Examples: Crab, lobster, spiders, scorpions, etc.
- It is in the form of a shell, or scales or feathers, etc.
Backbone
- It is an internal skeleton (endoskeleton) that provides support and protection to the body.
- It is a present invertebrate.
- Examples: Humans, fish lions, dogs, etc.
- It is made up of a number of vertebral joined to form a vertebral column.
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
Most arthropods have a tough outer body covering called ..........................
Select the most appropriate answer.
The finger-like structures present around the mouth of cnidarians are called
State if the following statement is true or false. Correct the statement if it is false.
Insects belong to the amphibian group of animals.
Find the odd one out. Give reason.
frog, shark, seahorse, carp
Write a short answer.
How are the bones of birds different from those of other vertebrates?
Answer in detail.
Write two characteristics of the reptiles.
Answer in detail.
How are the bones of birds different from those of other vertebrates?
Mention any one major similarity and one major difference in the following pairs of an animal:
Snakes and Earthworms
Mention any one major similarity and one major difference in the following pairs of an animal:
Cuttlefish and Dogfish
Write important characters of chordates?
