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Animal Kingdom Class 11 Notes: Here, you will get Class 11 Notes for Animal Kingdom PDF Format for Free of Cost. You can also download Class 11 Animal Kingdom Handwritten and Short Notes to get higher marks.
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May 23, 2019 · A comprehensive set of notes on the basis of classification and phyla of animals, with examples and diagrams. Learn about the features, organisation, symmetry, germ layers, coelom, segmentation and notochord of different animal groups.
Mar 17, 2018 · These are the Animal Kingdom class 11 Notes Biology prepared by team of expert teachers. The revision notes help you revise the whole chapter in minutes. Revising notes in exam days is on of the best tips recommended by teachers during exam days. Download Revision Notes as PDF. CBSE Quick Revision Notes. CBSE Class-11 Biology. CHAPTER-04.
- Basis of Classification
- 1 Levels of Organisation
- 2 Symmetry
- 3 Diploblastic and Triploblastic Organisation
- 4 Coelom
- 5 Segmentation
- 6 Notochord
- Classification of Animals
- 1 Phlyum Porifera
- 2 Phylum Coelenterata
- GeneratedCaptionsTabForHeroSec
Classification is based on characteristics such as: • Cell arrangement • Level of body organization • Body symmetry • Nature of coelom • Patterns of digestive, circulatory, or reproductive systems
It varies significantly between animals. The major types are as follows: • Cellular level. Cells are grouped together in loose cell aggregates. It demonstrates no coordination in the formation of tissues. Individual cells have the ability to perform specific functions. Sponge, for example. • Tissue level. Tissues are formed by the accumulation of c...
Body parts are arranged on either side of the body's main median axis. Haeckel came up with this concept. Animals have three types of symmetry. • Asymmetry:The body cannot be divided into two equal halves by any plane that passes through the center. Sponge, for example • Radial symmetry:Any plane which goes across the central axis can split the bod...
This classification is divided into two categories based on the number of embryonic cell layers: • Diploblastic:Cells are organized into two embryonic layers, outer ectoderm and inner endoderm, with a middle undifferentiated mesoglea in between. Coelenterates and Sponges, for example. • Triploblastic:There are three embryonic layers present, namely...
The coelom is an animal's fluid-filled body cavity located between the body wall and the digestive tract. On either side of the coelom, mesodermal epithelium lines the space. The coelom contains all of the internal organs. The coelom enhances body flexibility. It is a shock absorber. It protects internal organs from external shocks in soft-bodied a...
In some animals, the entire length of the body is divided transversely into a number of ring-like parts known as segments. This segmentation phenomenon is known as metamerism. This pattern can be seen in annelids such as earthworms and arthropods such as millipedes and centipedes. Segmentation aids locomotion in earthworms. Metameric segments in ar...
It is a rod-like structure derived from mesoderm that is present dorsally during embryonic development. It is a stiff and flexible tissue rod that runs along the dorsal side of the body, below the nerve cord and above the alimentary canal. Animals are classified into two groups based on the presence or absence of a notochord. • Chordates: Animals t...
The animal kingdom is divided into three phyla, 11 of which are major phyla and the rest are minor phyla. Invertebrates make up nearly 99 percent of all animals. Animalia is divided into 11 phyla based on shared fundamental characteristics. • Porifera • Coelenterata • Ctenophora • Platyhelminthes • Aschelminthes • Annelida • Arthropoda • Mollusca •...
(porus-to-bear; fere-to-bear) 1. It is the sponges, a group of the most primitive animals. 2. ELLIS identified these as animals. 3. ROBERT GRANT coined the term "porifera." 4. PARAZOOLOGY is the study of sponges. 5. The majority of them are marine and remain affixed to rocks. 6. Some people live in freshwater. 7. Spongilla is a sponge that lives in...
Coelenterates or Cnidarians are the common names for animals in the phylum coelenterata. They have true tissues, which makes them more advanced than sponges. It contains approximately 9000 species. They are aquatic in nature. The majority of them are sea creatures. Hydra is a type of freshwater. Important Characteristic Features • They can swim ses...
Learn about the classification, characteristics, and diversity of animals with Vedantu's revision notes for CBSE Class 11 Biology Chapter 4. Download free PDF, access online resources, and find Vedantu learning centres near you.
Learn about the animal kingdom, its classification, levels of organization, symmetry, and digestion with these notes from BYJU'S. Find important questions, videos, and NCERT solutions for CBSE class 11 biology exam preparation.
Mar 26, 2024 · Learn about the basis of classification, levels of organisation, symmetry, coelom, segmentation, and notochord of animals. Download PDF notes of NCERT Class 11 Biology chapter 4 Animal Kingdom with examples and diagrams.
Animal Kingdom Class 11 Biology Notes Chapter 4 Pdf free download was designed by expert teachers from the latest edition of NCERT books to get good marks in CBSE board exams.
