Roundworms respond to stimuli in various ways, including: Eyespots - Worms have sensitive tissues near their head that sense light, such as when it's.
What adaptations do roundworms have?
Roundworm Adaptations It allows them to eat, digest food, and eliminate wastes all at the same time. Roundworms have a tough covering of cuticle on the surface of their body. It prevents their body from expanding. This allows the buildup of fluid pressure in their partial body cavity.
How do roundworms obtain energy?
Like most animals, roundworms primarily engage in aerobic respiration, meaning that they use oxygen to convert food into energy.
Does a roundworm have a nervous system?
Roundworms also have a simple nervous system with a primitive brain. There are four nerves that run the length of the body and are connected from the top to the bottom of the body. At the anterior end of the animal (the head region), the nerves branch from a circular ring which serves as the brain.
What is the movement of roundworms?
Nematodes move by contraction of the longitudinal muscles. Because their internal pressure is high, this causes the body to flex rather than flatten, and the animal moves by thrashing back and forth.
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