Advertisements
Advertisements
Question
Which among the following is exclusively marine?
Options
Porifera
Echinodermata
Mollusca
Pisces
Solution
Echinodermata
Explanation -
All the known members of Phylum Echinodermata (the spiny-skinned animals) are exclusively marine. Members of Phylum Porifera are mostly marine, rarely freshwater (e.g. Spongilla). Members of Phylum Mollusca are mostly marine. Many, however, occur in freshwater (e.g. Unio) and some even in damp soil (e.g. some snails and slugs). Members of Class Pisces are both marines as well as fresh water.
APPEARS IN
RELATED QUESTIONS
Answer the question by choosing correct option.
Which of the following animals can regenerate it’s broken body part?
Sketch, labell and classify Star fish .
How does locomotion occur in earthworm and starfish?
Are jellyfish and starfish similar to fishes? If no justify the answer.
The locomotory organs of Echinodermata are
Hard calcium carbonate structures are used as skeleton by
Match items of column (A) with items of column (B)
| (A) | (B) | ||
| (a) | Pore bearing animals | (A) | Arthropoda |
| (b) | Diploblastic | (B) | Coelenterata |
| (c) | Metameric segmentation | (C) | Porifera |
| (d) | Jointed legs | (D) | Echinodermata |
| (e) | Soft bodied animals | (E) | Mollusca |
| (f) | Spiny skinned animals | (F) | Annelida |
______ separates the digestive tract from the body wall.
Which of the following animal does not belong to Phylum Echinodermata?
Identify the following animal and answer the questions that follow.
- Name its phylum.
- Name any two other examples of this phylum.
- Mention any two characters of this phylum.
