Which of the following groups is formed only of the hermaphrodite organisms? (a) Earthworm, tapeworm, housefly, frog (b) Earthworm, tapeworm, sea horse, housefly (c) Earthworm, leech, sponge, roundworm (d) Earthworm, tapeworm, leech, sponge
Correct option is D) In some lower animals, both male and female sex organs are present in the same individual, such animals are called hermaphrodite, monoecious or bisexual, e.g., tapeworm, earthworm, leech, sponge, etc. So, the correct answer is 'Earthworm, tapeworm, leech, sponge'.
