Biology
Bones with large air cavities are present in
- cnidarians
- fish
- annelids
- birds
Related Questions
The body temperature of warm-blooded animals
- keeps fluctuating
- changes according to the temperature of the environment.
- does not change with the change in the temperature of the environment
- decreases when the temperature of the environment increases.
Which of the following is an amphibian?
- turtle
- salamander
- alligator
- crocodile
…………… have four-chambered heart.
- Amphibians
- Mammals
- Fish
- Reptiles
Fill in the blanks:
Animals without a backbone whose body is soft and often covered by a hard shell are called _________.