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How do sponges survive without a nervous system?

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The brain needs a lot of energy, and many of these simple creatures could not survive if they had to supply energy to the brain. In the case of sponge, there is no brain, digestive system, nervous system, or circulatory system. They simply filter the water for nutrients that have a finger-like structure called cilia. May 24, 2016



Why doesn't the sponge need a nervous system?

Adult sponges are immobile, but can respond to specific physical stimuli despite the lack of traditional organs and sensory systems. Since the sponge has no nerves or brain, it does not have the ability to cognitively control movement.

How does the sponge survive?

Sponges live at all depths under different conditions, both in marine and freshwater environments. They are "insignificant" animals (not moving around), pumping large amounts of water into their bodies and filtering out small organisms and organic particles for food.

How does a sponge work without organs?

Since the sponge has no organ system, it has no respiratory or circulatory system. They acquire oxygen by diffusing from the water flowing through the body and expel waste products by diffusing into the same puddle.

What are the adaptations that help the sponge survive?

Certain sponge species are adapted to freshwater environments. Their skeletal type allows them to live in either hard or soft deposits. Their pores allow them to filter the water around them for food. Inside the sponge are flagella that generate electric current for the choanocytes to trap food.

How do sponges survive without a nervous system?

Below you will find two helpful answers on a similar topic. 👇

What animal does not use its brain?

Are sea sponges living or non-living?

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