Why are spongin and spicutes important to a sponge? – InterviewSolution

InterviewSolution

1.	Why are spongin and spicutes important to a sponge?
Answer» Spongin and spicules provide support and supports the soft body parts of the sponges. The spicules give the sponges rigidity and form to the sponges

Discussion

No Comment Found

Related InterviewSolutions

Choose the cat fish from the following. (a) Cirrhina mriga / a (b) Wa / logo atiti (c) Lobeo rohita (d) Catia calla
Which of the following statements is true?(a) All chordates are vertebrates (b) All vertebrates are chordates (c) Invertebrates possess a tubular nerve cord (d) Non-chordates have a vertebral column
Which one of the following features is present in some stage of the life history of all chordates?(a) Blood flowing forward in dorsal blood vessel (b) Pharyngeal gill slits (c) A ventral hollow nerve cord (d) Heart lying dorsally
Four-chambered heart is present in …………. (a) frog (b) crocodile (c) shark (d) lizard
Distinguish between invertebrates and vertebrates.
Distinguish invertebrates and chordates.
Right aortic arch is present in …………. (a) reptiles only (b) mammals only (c) birds only (d) both birds and mammals
All vertebrates are chordates but all chordates are not vertebrates.
Marine fishes drink sea water to ………….(a) meet their body salt requirements (b) compensate loss of water from their body(c) flush out nitrogenous wastes from their body (d) achieve all of the above
Which of the following pair of organisms are uricotelic?(a) cartilaginous fishes and mammals(b) reptiles and mammals (c) birds and insects (d) bony fishes and lizards