distinguish between cockroach and earthworm by listing their specific features
Answers
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
Answer:
1. Cockroach blood is colorless and contains white corpuscles while earthworm have red blood containing haemoglobin.
2. cockroach respire through spiracles while earthworm respire through moist skin.
3. cockroach have joint legs while in earthworm legs are absent.
4.cockroach have a ventral nerve cord while earthworm have central nerve cord.
5. cockroach is dioecious while earthworm is hermaphrodite.
Explanation:
1. Cockroach blood is colorless and contains white corpuscles while earthworm have red blood containing haemoglobin.
2. cockroach respire through spiracles while earthworm respire through moist skin.
3. cockroach have joint legs while in earthworm legs are absent.
4.cockroach have a ventral nerve cord while earthworm have central nerve cord.
5. cockroach is dioecious while earthworm is hermaphrodite.
#SPJ2