Advertisements
Advertisements
प्रश्न
Write down four main characters of Annelida.
Advertisements
उत्तर
Main characteristics of Annelida:
(i) They are triploblastic, bilaterally symmetrical, coelomate, soft and elongated animals.
(ii) Their body is metamerically segmented externally by transverse grooves and internally by septa.
(iii) They have a tube-like alimentary canal, which is complete and extends straight from mouth to anus.
(iv) Reproduction is sexual. Sexes may be separate or united (hermaphrodite).
Examples: Sea mouse, earthworm etc.
APPEARS IN
संबंधित प्रश्न
What are the differences between animals belonging to the Aves group and those in the mammalia group?
Write one difference between the following pair:
Invertebrates and Vertebrates
Match the animals given under column A with their respective classification group given under column B
| Column A | Column B | ||
| 1 | Sponge | a | Amphibia |
| 2 | Snail | b | Reptilia |
| 3 | Butterfly | c | Echinodermata |
| 4 | Toad | d | Mollusca |
| 5 | Lizard | e | Arthropoda |
| 6 | Starfish | f | Porifera |
Write down four main characters of Platyhelminthes.
Give four general characters of phylum Mollusca.
Distinguish between Nonchordata and Chordata.
Describe general characteristics of phylum Annelida.
What are pisces? Classify and explain two different kinds of fishes by the help of suitable examples.
The animals (Kingdom Animalia) are mainly grouped under two categories
What are the group names of the following categories of animals?
Animals with a hairy skin ___________
Give two examples of each of the following: Annelida
Fill in the blanks:
Ascaris is the example of phylum ______.
Fill in the blanks:
Bath sponge belongs to phylum ______.
Choose the correct answer: Mosquito is included in insects because
Choose the correct answer: The animal of phylum protozoa is
Choose the correct answer: Whittaker is famous
Choose the correct answer: Multicellular producers are
Choose the correct answer: 'Systema naturae' has been written by
Bilaterally symmetrical and acoelomate animal are exemplified by:
