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Echinoderms
Echinoderms are marine animals with radial symmetry. Some types of echinoderms are sea stars, sea urchins, sand dollars, and sea cucumbers.
294 Questions
What is an echinoderm with long slender arms and flexible joints is a?
It is a Brittle Star not a Sea Star. This is the RIGHT answer I know I had a school lesson on it once! TRUST ME
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Why are echinoderms unable to survive on land?
because they have some specialities to which they can only survive in the water such as they begin their lives as free swimming bilaterally symmetrical larvae etc.for e.g:star fish,sand dollar,sea-cucumber etc.
Because they did not come to land. First one to come to land are amphibians but they are going to water for reproduction. Reptiles are the first form to fully adapt for terrestial environment.
Can some one help me... Echinoderms are most like what animal?
Echinoderms are not like any one animal. Echinoderms are invertebrates (no backbone), and are all animals with spiny skin (echin-spine, derm-skin). Some examples are starfish, sea urchins, and sea cucumbers.
Which surface is the mouth found in echinoderms?
The mouth is found on the underside of an Echinoderm
Depending upon the type of echinoderm, they can eat just about anything smaller than themselves.
Sea stars are typically predators that eat clams, other sea stars, sea cucumbers. Often, as well, sea stars eat animals that don't move such as sponges or corals.
Most sea urchins eat algae.
Many sea cucumbers use their sticky tentacles to catch small floating organisms called plankton. Others mop the bottom to eat detritus. In many regions, the populations of echinoderms living on the ocean bottoms are very important predators and determine what other animals can live there.
What is the difference between human spine and a echinoderm?
an echinoderm is an organism with no spine
Depending upon the type of echinoderm, they can eat just about anything smaller than themselves.
Sea stars are typically predators that eat clams, other sea stars, sea cucumbers. Often, as well, sea stars eat animals that don't move such as sponges or corals.
Most sea urchins eat algae.
Many sea cucumbers use their sticky tentacles to catch small floating organisms called plankton. Others mop the bottom to eat detritus. In many regions, the populations of echinoderms living on the ocean bottoms are very important predators and determine what other animals can live there.
Do starfish have feelings too?
Most likely not. Starfish do not have a brain or central nervous system, and instead have a ganglia.
It's superstition, for some people it may seem to be whereas with others it won't.
Do a starfish have a segmented body?
Starfish do have a segmented body, but not in the same way insects do. This is due to their unique shape. Approximately 1,500 species of starfish have been identified.
Can starfish come back alive if you put them in cold water and how much days?
no i tried tht to but sadly its already dead but try to put some salt in the water, it might help
How does starfish care for its young?
The starfish takes care of it's young by placing it on it's back. So their prey can't get to the babys.
