[Biology] Chordates
Reading Time: 5 minutes INTRODUCTION Chordates are animals in which notochord is present. Notochord is a flexible rod-like structure of mesodermal origin, that serves …
Reading Time: 5 minutes INTRODUCTION Chordates are animals in which notochord is present. Notochord is a flexible rod-like structure of mesodermal origin, that serves …
Reading Time: 7 minutes INTRODUCTION Non-chordates are animals lacking a Notochord. Notochord is a rod-like elastic structure which gives rise to the vertebral column. …
Reading Time: 4 minutes INTRODUCTION Kingdom Animalia includes approximately 1.2 million species of multi-cellular animals. GENERAL CHARACTERISTICS OF ANIMALIA All organisms included in Kingdom …
Reading Time: 4 minutes WHAT IS ANGIOSPERMS? Angion means Vessel, and Sperma means Seed. So, Angiosperms means seeds within vessel. The seeds of angiosperms …
Reading Time: 4 minutes WHAT IS GYMNOSPERMS? Gymno means Naked, and Sperma means Seed. So, Gymnosperms means naked seed. Gymnosperms have evolved much earlier …
Reading Time: 4 minutes INTRODUCTION The term Pteridophyte is derived from two words ‘Pteron’ meaning “feather” and ‘phyton’ meaning “plant”. Pteridophytes are the first …
Reading Time: 6 minutes Introduction Bryophytes belong to cryptograms which are nonvascular seedless plants. They have approximately 20,000 known species and are widely distributed …
Reading Time: 6 minutes INTRODUCTION Algae comprise a diverse group of non-flowering, photosynthetic and oxygen-producing plants that lack typical plant structures i.e. roots, stem, leaves. …
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Reading Time: 6 minutes