they move by the bottom of their arms
It doesn't help the starfish move it helps it so it can eat.
seastars, or starfish may be poisonous
eggs
Seastars are invertebrates.
squid and seastars
Echinoderms, such as seastars and sea urchins, use their tube feet to move. Tube feet have suction discs which allows the echinoderm to crawl or stick to various surfaces.
seagulls, crabs, some fish, seastars
No -- starfish or seastars are echinoderms and as such are invertebrates. -- no spines.
they are in kingdom animalia but it doesn't have a backbone
Clams, oysters, and small fish, because they are carnivorous.
The seastars don't have houses they live on the coral.
Seastars are not recommended as pets for the average person as they have specific care requirements and can be challenging to keep in a home aquarium. They also have specialized feeding habits and can be delicate to changes in water conditions, which can make them difficult to care for in a home setting.