a) These worms are segmented worms and belong to the class Oligochaets.
b) Earthworms live and feed on the soil.
c) These are reddish-brown in colour and can grow upto 1/4 to 6 inches.
d) They need moist soil and grow well in open gardens.
a) These worms are red wiggler and belong to the species of earthworms.
b) These worms are reddish-purple in colour and can grow upto 2 to 3 inches.
c) They are used for composting food scraps and other organic materials.
d) They can easily adapt to change in environments.