Advertisements
Advertisements
Question
Write a short answer.
How are the bones of birds different from those of other vertebrates?
Advertisements
Solution
The bones of birds have large air cavities (are hollow) and hence are light. This enables them to fly. On the other hand, bones of other vertebrates are dense and solid and form a _ heavy skeleton.
APPEARS IN
RELATED QUESTIONS
Name one example of the animal which shows the following characteristics:
Has a flattened ribbon-like body:
Fill in the blank.
.................. do not have a backbone, while vertebrates have it.
Differentiate between
amphibians and Pisces
Find the odd one out. Give reason.
snail, oyster, earthworm, octopus
Give any one difference between protozoa and Metazoa.
Mention any one major similarity and one major difference in the following pairs of an animal:
Cuttlefish and Dogfish
Write zoological names of earthworm.
Assertion (A): Mammals give birth to their young ones.
Reason (R): Platypus is an egg-laying mammal.
What is the sub-phylum of prochordates?
Write a note on mammals.
