WebFeb 5, 2013 · EXTERNAL FEATURES OF COCKROACH Dorso-ventrally flattened body Reddish-brown 3 to 5 cm in length 1.5 to 2 cm in breadth bilaterally symmetrical, triploblastic and coelomate water proof chitinous exoskeleton With hardened plates called sclerites Each segment subdivided into four plates namely: dorsal tergum, ventral sternum and two … WebSolution. In the alimentary canal of cockroach, the proventriculus or gizzard is part of foregut. In foregut, mouth, pharynx, oesophagus, crop and gizzard are present. Gizzard has outer circular muscles and thick inner cuticle forming six highly chitinous plates called teeth. It helps in the grinding of food particles.
External genitalia in cockroach consist of small Irregular chitinous ...
WebApr 6, 2024 · It should have thick muscular structure and teeth like hard chitinous plates. Complete answer: Cockroaches do not have teeth and thus for breaking and grinding food particles to digest them properly, they have a muscular organ located behind the crop. WebImmature cockroaches look roughly the same as adults, but are smaller and sometimes have different coloration. For the purposes of understanding the basic anatomy of a … centar komunalnih usluga sarajevo radno vrijeme
Samacheer Kalvi 11th Bio Zoology Guide Chapter 4 Organ and …
WebMar 13, 2024 · The cockroaches belong to the largest Animal phylum called Phylum Arthropoda and the largest class Insecta. The reproductive system of cockroaches is … WebJan 25, 2024 · Anatomy of cockroach: Each cockroach has eyes, a mouth, salivary glands, antennae, brain, heart, colon, reproductive system, mid-guts, legs, oesophagus, gastric … As an arthropod, the body of a cockroach is divisible into three distinct regions. They are the head, thorax, and abdomen. There is a hard exoskeleton … See more Q: Antennae of cockroach have 1. Gustatory receptors 2. Auditory receptors 3. Tactile Receptors 4. Tactile and olfactory receptors Ans: The correct option is “D”. The cockroach antennae have a sensory … See more Q1. Cockroach is an insect because it has_________. Answers: Cockroaches are insects of the order Blattodea, sometimes called as Blattaria, of which about 30 species out of 4,600 total are associated with human habitats. … See more centar kopaonik prodaja