Chapter 9 ZOOLOGY OBJECTIVES
rubab Chapter 9 ZOOLOGY OBJECTIVES
Ipteropsida (FERNS) – TYPE I Adiantum
abida IPTEROPSIDA (FERNS) TYPE I ADIANTUM (Maiden Hair Fern) Occurrence Adiantum is a common fern. It is found in the plains of the Punjab. It grows in shady places. It is…
Answer of Question of Descriptive Embryology
Answer of Question of Descriptive Embryology
Sphenopsidaf – Occurrence & Structure
SPHENOPSIDAF TYPE EQUISETUNI Occurrence The genus Equisetum has 25 species. It is world wide in distribution. They are most common in temperate regions. It generally grows in moist places. General…
Answer of Question of Descriptive Embryology
Answer of Question of Descriptive Embryology
CLASSIFICATION IN BIRDS
saadia CLASSIFICATION IN BIRDS Class Aves Adaptation for flight include: forelimbs are modified as feathered wings, endothermic, high metabolic rate, flexible neck, fused posterior vertebrae, and bones lightened by numerous air…
Answer of Question of Reproduction & Development
Answer of Question of Reproduction & Development
Birds feather flight & endothermy
THE BIRDS FEATHER FLIGHT & ENDOTHERMY EVOLUTIONARY PROSPECTIVE PHYLOGENETIC RELATIONSHIPS Birds are traditionally classified as class Aves. Birds have adaptations for flight. The major characteristics of this class are: 1.…
LYCOPSIDA
LYCOPSIDA TYPE SELAGINELLA Occurrence Selaginella is a tropical plant. It has world wide distribution. It grows in damp forests. Some species occur in temperate regions. They grow in moist shady…
PSILOPSIDA in botony for plants
PSILOPSIDA TYPE PSILOTUM Occurrence Psilotum is distributed in tropical and subtropical regions. It may grow as an epiphyte on the bark of trees. It also grows on soil where humus…