Advertisements
Advertisements
Question
Answer in detail.
How are the bones of birds different from those of other vertebrates?
Solution
The bones of the birds are hollow and filled with large air cavities. This makes their skeleton light and 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
Give two examples of Coelenterates:
Fill in the blank.
Fishes obtain oxygen from water through ......................
Fill in the blank.
Vertebrates which spend a part of their life on land but reproduce in water are called ..................
Answer in detail.
Why are mammals regarded as the most advanced animals?
Answer in detail.
You are asked to classify an animal in the correct group. The animal has a soft body and arm-like tentacles. You dissect the animal and find that it has an internal shell. Is the animal a cnidarian or a mollusc? Explain your answer.
Name the various phyla of non-chordates with two examples.
Match items in Column A with the appropriate items in Column B
| Column A | Column B |
| Cobra | Protozoa |
| Peacock | Amphibia |
| Earthworm | Annelida |
| Euglena | Reptilia |
| Frog | Porifera |
| Spongilla | Aves |
Which group of animals have following characteristics: Body segmented, jointed appendages and compound eyes.
Which group of animals have following characteristics: Body soft, covered by mantle and a calcareous shell.
______ formed during embryonic development.
