give an account of general characters of phylum arthropoda
Answers
AnSwer :-
Arthropoda
It is largest phylum of animal kingdom with about 900,000 known species.
They are Characterized by following characters :-
segmented body bears jointed appendages.
Chitinous Cuticle forms exoskeleton.
Body divisible into head, thorax and abdomen; head and thorax often fused to form cephalothorax.
Haemocoel is filled with colourless blood called haemolymph.
Open type of circulatory system is present.
Respiration by general body surface, gills, trachea or book lungs.
Excretory organs are green gland or malpighian tubules.
Sensory organs well developed. compound eyes are present for sight, antennae and statocysts for balancing. Taste and sound receptors are also present.
Insects communicate by pheromones.Sexes separate.paired reproductive organs with ducts present. Fertilization is internal
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
#sanvi....
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.
hope it is helpful..