Advertisements
Advertisements
प्रश्न
Which group of animals have following characteristics: Multicellular body not organized into tissues.
Advertisements
उत्तर
Porifera
APPEARS IN
संबंधित प्रश्न
Tick (✓) the appropriate answer:
The unicellular organism causing malaria
Fill in the blank.
...................... live in the digestive tract of many vertebrates including human beings.
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 |
Differentiate between
flatworms and roundworms
Write a short answer.
What are invertebrates ?
Give a reason for the following.
Why do adult amphibians tend to stay near water?
Mention any one major similarity and one major difference in the following pairs of an animal:
Whales and Fishes
Write zoological names of earthworm.
______ is the unique characteristic feature of mammals.
Why are eggs of reptiles covered with shells unlike the eggs of amphibians?
