Advertisements
Advertisements
Question
Hard calcium carbonate structures are used as skeleton by
Options
Echinodermata
Protochordata
Arthropoda
Nematoda
Advertisements
Solution
Echinodermata
Explanation -
In many echinoderms, the endoskeleton (skeleton present inside the body) is made up of hard calcium carbonate structures.
APPEARS IN
RELATED QUESTIONS
Which of the following animals can regenerate it’s broken body part?
Find an odd one out.
Locomotion of starfish takes place through pseudopodia.
Water vascular system is found in ______.
The locomotory organs of Echinodermata are
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 |
______ is not a characteristic of Phylum Echinodertnata.
Mention two features of phylum Echinodermata.
In the animals belonging to the phylum Echinodermata, the body is divided into head, muscular foot, and the visceral mass.
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.
