Advertisements
Advertisements
प्रश्न
Answer in detail.
Why are mammals regarded as the most advanced animals?
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.
APPEARS IN
संबंधित प्रश्न
Tick (✓) the appropriate answer:
Identify the aquatic animal with scaly skin which breathe with gills
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 |
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Find the odd one out. Give reason.
snail, oyster, earthworm, octopus
Write a short answer.
What do you mean by the radially symmetrical body?
Answer in detail.
Write two characteristics of mammals
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Whale - Gills, mammary glands, fat under the skin
Name the phyla to which following animal belongs: Scorpion
Mammals have four-chambered Hearts.
Why are eggs of reptiles covered with shells unlike the eggs of amphibians?
