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What is the only multicellular animal without a nervous system?
a sponge does not have a nervous system
Which animal has the simplest and least organized nervous system?
The sponge.
Which is not a type of sponge canal system?
Bisconoid
What the name of that animal that have no hair no mouth and no ear?
A sponge is one animal that has no hair, mouth, or ear. In fact, the sponge has no muscles or nervous system, either.
What is the association between body symmetry type and nervous system type?
Bilaterally symmetric animals have a central nervous system.
Do all animals have complex nervous systems?
Not all animals have complex nervous systems. In fact, most lower animals don't even show an organized nervous system. Its only in higher animals like chordates that a proper organized nervous system is seen.
What are the physical properties of a sponge?
A sponge is a porous aquatic animal with a soft, squishy texture. It lacks organs and a nervous system, and is usually found attached to a surface in marine environments.
What type of nervous system does a earthworm have?
segmented
What type of drug are amphetamines?
Amphetamines are stimulants of the central nervous system and sympathetic division of the peripheral nervous system.
What type of nervous system does a mountain lion have?
A mountain lion's nervous system is the same as for any other mammal.
Is a sponge alive?
No, a sponge is not considered alive in the biological sense because it lacks organs, tissues, and a nervous system. Sponges are simple multicellular organisms that rely on filtering water to obtain nutrients and oxygen.
Why is water movement through sponge body important for feeding?
Sponges are animals and are heterotrophs- they need to take in nutrients and food for energy. The nutrients are carried by the water into the sponge.
