Question

give an account of general characters of phylum arthropoda​

Answer 1

AnSwer :-

Arthropoda

It is largest phylum of animal kingdom with about 900,000 known species.

They are Characterized by following characters :-

$\bigstar$ segmented body bears jointed appendages.

$\bigstar$ Chitinous Cuticle forms exoskeleton.

$\bigstar$ Body divisible into head, thorax and abdomen; head and thorax often fused to form cephalothorax.

$\bigstar$ Haemocoel is filled with colourless blood called haemolymph.

$\bigstar$ Open type of circulatory system is present.

$\bigstar$ Respiration by general body surface, gills, trachea or book lungs.

$\bigstar$ Excretory organs are green gland or malpighian tubules.

$\bigstar$ Sensory organs well developed. compound eyes are present for sight, antennae and statocysts for balancing. Taste and sound receptors are also present.

$\bigstar$ Insects communicate by pheromones.Sexes separate.paired reproductive organs with ducts present. Fertilization is internal

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Answer 2

Answer:

What Is The Phylum Arthropoda And What Are Its Characteristics?

Exoskeleton - All members of this phylum have an external skeleton made of chitin. It provides protection.

Metamerism - This means that the body of the Arthropods is composed of numerous segments called Somites.

Joint Appendages - Arthropods have joint appendages, which are modified into specialized organs for walking, eating, and grasping purposes.

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