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प्रश्न
Answer in detail.
Why are mammals regarded as the most advanced animals?
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उत्तर
Mammals are regarded as the most advanced animal because they are the most recently evolved vertebrates who have the most advanced, complex brain, are the only animals that produce milk for their young ones, and give birth to babies.
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संबंधित प्रश्न
Write one difference between the following pair:
Porifera and Coelenterata.
Fill in the blank.
A ................. has an external coiled shell.
Select the most appropriate answer.
Scorpions and spiders 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 |
State if the following statement is true or false. Correct the statement if it is false.
Fish have fins, scales and they breathe through gills.
Find the odd one out. Give reason.
snake, alligator, eel, turtle
Answer in detail.
List two notable characteristic of birds which is not found in any other group of animals?
Write two main characters of the following animal and name the phylum it belongs to: Starfish
On the basis of characteristics given below, name the phyla: Body cylindrical, segmented, coelomate.
Cyclostmes are ______.
