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
Answer in brief.
Write four distinguishing characters of phylum- Echinodermata.
Name the phylum in which earthworm and starfish belongs to.
How does locomotion take place in starfish?
Which among the following is exclusively marine?
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.
______ separates the digestive tract from the body wall.
Analogy:
Echinodermata: ______:: Soft Bodies Animals: ______.
Which group of animals belong to the same phylum?
Cockroach, Frog, Sparrow, Starfish, from these animals which can regenerate its broken body part?
