it really depens on the animal. Some will cmofloge
Some have spiny outsides. Some have poison in their spines. Still others will spit out organs that have poison in them. Some like starfish can regenerate limbs or even new organisms.
yes
respond
Induced response.....I think.
Echinoderms are in the Animalia kingdom.
They do not attack. They curl up into a ball in defense if attacked and do not respond to there attacker.
echinoderms
As of yet, there is no known species of parasitic echinoderms.
The scientific name for Echinoderms is Echinodermata.
Innate Defense System
Specific defense - Defensive mechanisms respond to microbes based upon their specific identities, and they can distinguish one inducing agent from another.
Yes Eventually echinoderms do live in water.
Echinodermates possess a water vascular system.
Echinoderms are born as zooplankton. There is no parental care.