Advertisements
Advertisements
Question
Answer in detail.
List two notable characteristic of birds which is not found in any other group of animals?
Advertisements
Solution
The most notable characteristic of birds that are not found in any other group of animals is the presence of feathers. They are the only animals on earth that have a backbone as well as feathers that cover their entire body.
Also, their skeleton is light as their bones have air cavities and are hollow. They also have beaks with no teeth.
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.
The animals without a backbone whose body is soft and often covered by a hard shell are .................
Match the following.
| Group | Characteristics | ||
| 1. | Molluscs | a. | Feed milk to young ones, warm-blooded |
| 2. | Spongers | b. | bag-like body with tentacles around the opening |
| 3. | Flatworms | c. | fins, gills and cold-blooded |
| 4. | mammals | d. | body with large opening and many small pores all over |
| 5. | Fish | e. | jointed legs, exoskeleton |
| 6. | cnidarians | f. | have only one opening |
| 7. | arthropods | g. | hard shell, soft body |
| h. | cylindrical, unsegmented body with mouth at one end and anus at the posterior end |
Write a short answer.
What do you mean by the radially symmetrical body?
How do chordates differ from non-chordates?
Which group of animals have following characteristics: Multicellular body not organized into tissues.
On the basis of characteristics given below, name the phyla: Unicellular, microscopic animals.
The biggest vertebrate animal is the ______.
Mention two special features of mammals.
On the basis of the position of the notochord, classify the different prochordates. Justify your answer.
