On the surface of a starfish you will find spines used for protection as armor, dermal gills surrounded the spines, a central disk, madreporite, arms and an anus. Underneath tubed feet used for movement, mouth, ambulacral grooves, and its mouth.
no
There are many starfish that are poisonous, such as the Crown of Thorns starfish, the sun star starfish, the spiny sun star starfish and the leather star starfish. Starfish have sharp spikes that are covered with a thin, venomous skin, which can cause swelling, nausea and vomiting once it is on your skin.
used for breathing. they stickout through bony spines on the starfish.
starfish's skintextures can very, they are usually soft and smooth but can be rough at times.
The armour of a starfish feels very rough but once you have the starfish on your hand there are little tentacle with suction cups on the end that will stick on your hand and it will tickle a little bit.
hard and bumpy
No. Echinoderm are things like starfish and sea urchins, invertebrates with spiny outsides .
Skin
Their skin is covered with bumpy gills.
Starfish do not have fur. They actually have soft spines that cover their whole bodies. These are used for protection.
I like starfish because some arw colorful. I like starfish because some arw colorful.
Starfish are cnidarians. They have spiny skin, some have nematocysts (stinging cells) and are generally toxic.