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the main differences between cockroaches and earthworms are:
Sex - earthworms are hermaphrodites (monoecious) while cockroaches are diecious (male or female)
Respiration - oxygen is absorbed passively through the moist skin of the earthworm while gas diffusion takes place through the spiracles of the cockroach
Nervous System - worms have a central nerve cord while cockroaches have a ventral nerve cord
Locomotion - worms use circular and longitudinal muscles with setae covering the body. Cockroaches use legs and wings to move
Digestive System - the worms digestive tract is straight and simple. the cockroaches is curved and more developed
Skeleton - worms have a hydrostatic skeleton to assist with movement under the soil however cockroaches have an exoskeleton for protection and to avoid drying out
hope this helps
What else can I help you with?
Which lens is used to observe body parts of cockroach and earthworm?
convex lens
What are the breathing organs of an animal?
fish - fins cockroach-air tube earthworm- skin
What is the difference between a cockroach and a beetle?
A beetle can be found in almost all habitats and a cockroach is more choosy about where they live. Beetles serve a purpose to the ecosystem and cockroaches do not play a very big part in that system.
What are the similarities and differences between a frog and an earthworm?
A frog has legs and a worm doesn't XD =Þ
What are two differences between a cockroach and its young?
Similarity between young and adult cockroach is that they have the same number of legs
What are the respiratory organs in differences organisms?
earthworm-skin plants-stomata
Why is it more difficult to stick a cockroach with a pin than an earthworm?
A cockroach has an exoskeleton which makes it more difficult to stick the pin through its surface and earth worm is just skin like a human being.
What is different between the top and bottom side of an earthworm?
how can you distinguish between the top and bottom side of an earthworm
What is resemblance between the young cockroach with the adult cockroach?
Both have six legs!
What is the difference between a flying cockroach and a nonflying cockroach?
if it is flying ,it is a mature cockroach if it not flying it may be a mature cockroaches or a nymph (immature)
What is the difference between a baby butterfly and baby cockroach?
A baby cockroach looks like a cockroach but smaller. a baby butterfly is a caterpillar.
What are the diffearences between an earthworm and a wasp?
Wasp can fly whereas earthworm cannot
