The organism that is an example of a simple nervous system is the hydra. Hydras have a nerve net, which is a decentralized network of neurons, unlike the more complex nervous systems found in fish and flatworms. Sponges, on the other hand, do not have a nervous system at all.
Which organism is an example of a simple nervous system?
Question 1 options:
flatworm
fish
hydra
sponge
1 answer