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Transcript of Roundworms
Roundworms do not have a respiratory system. Oxygen goes into the roundworms and then CO2 exits the cell by diffusion through their body
Aquatic roundworms move like snakes through the water, while soil/land dwelling roundworms push through by thrashing around
Roundworms feed by using their grasping mouth parts and spines to catch and eat other small animals
Roundworms reproduce sexually with others roundworms
Roundworms have bilateral symmetry
Body Temperature Control
Roundworms are warm-blooded creatures that's body temperature stay the same
Roundworms have two nerve cords that transmit impulses through the body. Its a simple nervous system with a main cord running along the ventral side
A roundworm has no heart or formal blood vessels.
Roundworms excrete metabolic waste through their body walls
Roundworms are unsegmented worms and have both a mouth and an anus
Roundworms live in a variety of places including soil, salt flats, aquatic sediments, water from the polar regions to the tropics
Roundworms can be part of a parasitic relationship and a commensalism relationship
By: Samira Noel
What type of Symmetry is roundworms?
Do roundworms have circulation?
How do roundworms reproduce?
How do roundworms excrete waste?
Are Roundworms warm-blooded or cold-blooded?
Through body walls
Prentice hall; Biology Textbook By: Miller-Levine 2006