Write the name of phylum and one feature of the phylum of Earthworm and cockroach
Answers
Answer:
cockroaches are arthropoda and earthworm are annelid phylums
Answer:
a list of eleven important phylum:- 1. Phylum Protozoa 2. Phyllum-Porifera 3. Phylum Cnidaria 4. Phylum Ctenophora 5. Phylum Platyhelminthes 6. Phylum Nemathelmlnthes 7. Phylum Annelida 8. Phylum Arthropoda 9. Phylum Mollusca 10. Phylum Echinodermata 11. Phylum Chordata.
Explanation:
OBSERVATIONS
1. EARTHWORM (Pheretima)
It belongs to phylum Annelida.
FEATURES OF PHYLUM
The body of the animal is divided into segments (internally and externally) called metameres.
Chitinous setae which act as locomotory organ are present.
Adaptive Features
Earthworm lives inside a burrow in the soil. It has following adaptations:
Its body is cylindrical and elongated.
The anterior end is pointed and bears mouth. Over the mouth is a small sensory lobe called prostomium. It helps in sensing the soil while digging.
It feeds on soil or humus and excretes fine soil and undigested material as ring-shaped castings through anus. This helps in making burrows.
Skin is always kept moist with the help of mucus glands.
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2. COCKROACH (Periplaneta)
It belongs to phylum Arthropoda.
FEATURES OF PHYLUM
The body is divided into segments with a distinct head.
It possesses jointed appendages with three pairs of legs.
ADAPTIVE FEATURES
Cockroaches live in warm, dark and wet places. They are found in sewers, basements, in drains etc. They are adapted to nocturnal habit. Following are adaptations found in cockroaches.
The body is covered by chitinous cuticle which is impervious to water.
On the lateral side of body spiracles are present which help in respiration.
Head is triangular in shape and bears two compound eyes and two antennae. Antennae are sensory in function.
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