Type Porella – Occurrence , Structure and Reproduction
abidaTYPE PORELLA Occurrence It grows on moist rocks. It also occurs on shaded sides of tree trunks. It forms dense mats closely covering the substratum. Some are aquatic and grow…
OBJECTIVES OF HEXAPODA AND MYRIAPODA
saadiaOBJECTIVES OF HEXAPODA AND MYRIAPODA Multiple Choice Questions MCQs 1. Total number of describe insects are: i a) 650.000 (b) 750,000 (c) 850.000 (d) 950.000 2. The percentage of insects…
Answer of the Question of Endocrine System and Chemical Messengers
rubabAnswer of the Question of Endocrins System and Chemical Messengers Q.27. What hormones does adenohypophysis secrete? Describe the functions of: (a) Growth hormone (b) Thyrotropin (c) Adrenocorticotropic hormone Ans. The…
SUBJECTIVE QUESTIONS OF HEXAPODA AND MYRIAPODA
SUBJECTIVE QUESTIONS OF HEXAPODA AND MYRIAPODA Describe evolutionary perspective of insects. What factors does responsible for the success of insects? Describe external body features of insects. Give evolution of fight…
DEFINITIONS AND KEY POINTS FOR OBJECTIVES OF HEXAPODA and MYRIAPODA
DEFINITIONS AND KEY POINTS FOR OBJECTIVES OF HEXAPODA AND MYRIAPODA TERMS OBJECTIVES Insect The arthropods with three Fairs of wing. one pair of antennae Thermoregulation Thermoregulation is the ability to…
FURTHER PHYLOGENETIC CONSIDERATION
FURTHER PHYLOGENETIC CONSIDERATION There is a fundamental question about the evolution of arthropod. The question is that whether or not the arthropod taxa represent different evolutionary lineages. 1. Polyphyletic origin…
CLASS HEXAPODA (INSECTS) (hexa, six + podus, feet)
CLASS HEXAPODA (INSECTS) (hexa six + podus, feet) Members of the class Hexapoda are the most successful land animals. They are called insects. The arthropods with three pairs of wing,…
CLASSES PAUROPODA AND SYMPHYLA
CLASSES PAUROPODA AND SYMPHYLA Class Pauropoda (pauros, small + podus, foot): Members of the class Pauropoda are soft-bodied. They have 11 segments. These animals live in forest-floor liter. They feed…
CLASS CHILOPODA (CENTIPEDES) (ehenos, lip + podus, foot)
CLASS CHILOPODA (CENTIPEDES) (ehenos, lip + podus, foot) 1. Habitat: Members of the class Chilopoda are the centipedes. Most centipedes are nocturnal . They arc present on surfaces of logs,…
CLASS DIPLOPODA.(MILLIPEDES) (twofold + podus, foot)
CLASS DIPLOPODA (MILLIPEDES) (twofold + podus, foot) The class Diplopada contains the millipedes. Ancestors of this group appeared during Devonian period. They were among the first terrestrial animals. 1. Metamerism:…