Write down two unique characters of Porifera. - Vidyadip

Question

Write down two unique characters of Porifera.

✓

Answer

Sponges have a water transport or canal system.
The body is supported by a skeleton made up of spicules or spongin fibres.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the questions.[Bio-2M]" from Diversity In Living Organisms→Diversity In Living Organisms — all question types→Science STD 9 question papers→CBSE Board STD 9 question papers→CBSE Board question paper generator→

Similar questions

Why some plants like sunhemp or guar and grown and mulched by ploughing into the soil before sowing of the crop seeds?

What will happen if bone marrow is destroyed.

Define classification.

Give one example of an Indian and foreign poultry breed which when crossed produce an improved variety. List any one desirable trait expected from such cross breeding.

What type of tissue is present in bone marrow?

What is the function of thin, hair-like projections present on the cuboidal epithelium?

Which cellular organelle uses, molecular oxygen like mitochondria bit protects the cell from toxic metabolic by products?

What are the two ways of obtaining fish?
What is the major problem faced in fish farming? How can it be overcome.

What is bilateral symmetry?

Name the region of the atmosphere where most of the atmospheric gases are present.