Non Chordates – II

Teacher

Dr Yashaswi Nayak

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Core Courses

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Course Name :Non Chordates - II

Code(Credit) : CUTM1498(3-2-1)

Course Objectives

  • To have in depth knowledge about invertebrates of different phyla.
  • To understand the taxonomic position of Annelida to Echinodermata.
  • To understand the body organization and general characteristics of animals belonging to different phylums .

Course Outcomes

COs Course Outcomes Mapping COs with POs

(High-3, Medium-2, Low-1)

CO1 Students would be able to represent invertebrates of different categories which affects the ecosystem in various ways PO1-3, PO7-3, PO9-2
CO2 Students will be able to describe the unique characters of Annelida , Arthropoda, Mollusca and Echinodermata. PO1-3, PO7-2, PO9-3
CO3 Students will understand the life functions and the ecological role of animals belonging to different phylums ranging from unicellular to multicellular organization. PO1-3, PO9-1

Course Syllabus

Module-I- Introduction to Coelomates- (3h)
Evolution of coelom and metamerism

Assignment 

Define true metamerism and illustrate the various theories of  its origin and evolution in Metazoa

 

Module-II- Annelida: (5h)
General characteristics and Classification up to classes, Excretion in Annelida

Assignment

Illustrate a comparative account of excretory organs of Annelids with the help of neatly labelled diagram.

Practice 

1- Study of museum specimen belonging to phylum Annelida Earthworm, Nereis, Sabella , Leech and Aphrodite

2- Study of digestive system of Earthworm.

3- Study of septal nephridia and pharyngeal nephridia of Earthworm

 

Module-III- Arthropoda: (4h)
General characteristics and Classification up to classes, Vision and Respiration in Arthropoda, Metamorphosis in Insects, Social life in bees and termites.

Practice 

4- Study of museum specimen belonging to phylum Arthropoda                                  Cockroach,Honeybee,Prawn,Peripatus,Balanus

5- Study of mouth parts of Cockroach.

6- Study of digestive system of Cockroach (Dissection)

7- Study of nervous system of Cockroach (Dissection)

8 - Study of whole mount of mouth parts of Cockroach

 

Module-IV-  Onychophora:(3h)
General characteristics and Evolutionary significance

Assignment

. Give an account of the geographical distribution, general organisation and affinities of Onychophora.

. Describe the peculiar features of Peripatus that resembles Arthropods and Annelids.

 

Module-V - Mollusca:-  (8 h)
General characteristics and Classification up to classes, Respiration in Mollusca,Torsion and detorsion in Gastropoda, Pearl formation in bivalves, Evolutionary significance of trochophore larva.

Assignment

 Explain briefly the different kinds of respiration found in Molluscs.                                                                                               

Practice 

9 . Study of museum specimen belonging to phylum Mollusca Snail,  Octopus, Sepia,  Chiton,   Helix,Pila

 

Module- VI-Echinodermata  (4h)
General characteristics and Classification up to classes, Water-vascular system in Asteroidea

Practice :

10 . Study of museum specimen belonging to phylum Echinodermata Starfish,  Antedon, Echinus, Qphiura

 

Module-VII -Developmental aspects of Echinoderms (4h)       Larval forms in Echinodermata, Affinities with Chordates.

Text Books:
Ruppert and Barnes, R.D. (2006). Invertebrate Zoology, VIII Edition. Holt Saunders International Edition
Reference Books:
1. Barnes, R.S.K., Calow, P., Olive, P. J. W., Golding, D.W. and Spicer, J.I. (2002). TheInvertebrates: A New Synthesis, III Edition, Blackwell Science

2. Barrington, E.J.W. (1979). Invertebrate Structure and Functions. II Edition, E.L.B.S. and Nelson

Session Plan

Session 1

Introduction to Coelomates (Evolution of coelom)(2h)

Online source  1 : Coelom

Online source  2 : Evolution: The body

You tube link  1 : Biology Animalia  (Coelom : Acoelomates, coelomates)

You tube link  2 : Coelom

Session 2

Evolution of Metamerism (2h)

Online source  1 : Evolution: Metamerism

You tube link  1 : Metamerism and segmentation

Session 3

Assignment -1

Define true metamerism and illustrate the various theories of its origin and evolution in metazoa

Online source  1 : Evolution: Metamerism

You tube link  1 : Metamerism and segmentation

Session 4

General characteristics  of Annelida

Online source : Phylum Annelida: General Characteristics

You tube link : Annelida general character

Session 5

Classification of Annelids up to class (2h)

Online source : Annelida

You tube link : Annelida classification

Session 6

Excretion in Annelids (Assignment-2/Flipped class-1):2h

Online source : Excretion in annelids

You tube link : Excretion in Annelida

Session 7

Practice - 1 (2h)

Study of museum specimen belonging to phylum Annelida Earthworm, Nereis, Sabella , Leech and Aphrodite

Online source :  Museum Specimens  

You tube link: Study of museum specimens in our lab

 

 

Session 8

Practice - 2(2h)

Study of digestive system of Earthworm.

Online source: Earthworm

You tube link : Earthworm Morphology and Anatomy -( Structural   Organisations in Animals )

Session 9

Practice - 3 (2h)

Study of septal nephridia and pharyngeal nephridia of  earthworm

Online source: Nephridia

You tube link : Earthworm nephridia  

Session 10

Arthropoda: General characteristics of Arthropoda

Online source : Phylum Arthropoda: General characteristics and Classification

You tube link : Arthropoda general characters

Session- 11

Arthropoda: General characteristics and Classification up to class (2h)

Online source : Phylum Arthropoda: General characteristics and Classification

You tube link : Arthropoda general characters

Session -12

Vision in Arthropoda

Online source : Vision in Arthropods 

You tube link : Insect Vision: Ommatidium Structure and Function

Session -13

Respiration in Arthropoda (Assignment-3/Flipped class-2): 2h

Online source : Forms of Respiration among Arthropods

You tube link : Respiratory system in insects

Session -14

Metamorphosis in Insects (2h)

Online source : Insect Development

You tube link : Metamorphosis in insects

Session -15

Social life in bees and termites (Assignment-4/Flipped class-3) :2h

Online source : Social life in Insects

You tube link : Social life in insects

Session 16

 Practice- 4 (2h)

Study of museum specimen belonging to phylum Arthropoda Cockroach,   Honeybee, Prawn, Peripatus, Balanus

Online Source : Museum Specimens

You tube link : Study of Museum specimen in lab

 

 

 

Session 17

Practice - 5 (2h)

Study of mouth parts of Cockroach.

Online source : Mouth Parts in Insects (With Diagram)

You Tube link : Cockroach Mouth Parts

 

 

 

 

 

Session 18

Practice - 6 (2h)

Study of digestive system of Cockroach (Dissection)

Online source : Dissection of Cockroach (With Diagram) | Zoology

You tube link : dissection of cockroach 

 

 

Session 19

Practice- 7 (2h)

4- Study of nervous system of Cockroach (Dissection)

Online source: Nervous system of Cockroach

You tube link : Cockroach dissection - Nervous system

 

Session 20

Practice - 8 (2h)

Study of whole mount of mouth parts of Cockroach

Online source :Diversity of life ,Morphology and anatomy of cockroach

You tube link : Cockroach mouth parts

Session-21

General characteristics of Onychophora

Online source : Onychophora velvet worms

You tube link : Velvet worm

Session-22

Evolutionary significance of Onychophora

Online source :Peripatus (Onchyphora) 

You tube link : Velvet worm

Session-23

Assignment -5

Give an account of the geographical distribution, general organisation and affinities of Onychophora.

Online source :Peripatus (Onchyphora) 

You tube link : Velvet worm

Session-24

Assignment -6

Describe the peculiar features of Peripatus that resembles Arthropods and Annelids.

Online source :Peripatus (Onchyphora) 

You tube link : Velvet worm

Session-25

Mollusca: General characteristics and Classification up to class (2h)

Online source :Phylum Mollusca: General Characteristics and Classification

You tube link : phylum mollusca general characteristics 

Session-26

Respiration in Mollusca (2h)

 

Online source :Respiratory Organs of Phylum Mollusca and Its Modification

You tube link : Respiration in molluscs

Session-27

Torsion and Detorsion in Gastropoda (2h)

Online source : Torsion and Detorsion in Gastropoda (With Diagram)

You tube link : Torsion and Detorsion in Gastropoda

Session-28

Pearl formation  in Gastropoda (Assignment-7/Flipped class-4)-1h

Online source -1 : Pearl Formation 

Online source-2 : Pearl Formation

You tube link : Formation of a Pearl | Secret Life of Pearls

Session-29

Evolutionary significance of trochophore larva

Online source -1 : Trochophore Larva: Historical Retrospect, Structure and        Affinities

You tube link : Trochophore larva

Session 30

Practice -9 (2h)

Study of museum specimen of Molluscan animals -Snail, Octopus, Sepia, Chiton, Helix, Pila

Online source : Phylum Mollusca: Characters and Classification (With Diagram) | Animals

Session - 31

Echinodermata - General characteristics(2h)

Online source : Phylum Echinodermata : General Characteristics

You tube link : Echinodermata general characters

Session - 32

Classification of Echinodermata upto class (2h)

Online source : Echinodermata

You tube link : Phylum Echinodermata |

Session - 33

Water Vascular System in Echinoderms (Assignment- 7/Flipped class-5) -2h

Online source :Water Vascular System of Echinoderms

You tube link : Suckers - The echinoderms' hydraulic organ

Session - 34

Larval forms in Echinoderms (Assignment-8/ Flipped class-6)- 2h

Online source : Forms of echinodermata larva

You tube link : Echinodermata larval form

Session - 35

Affinities with chordates

Online source : Morphological Affinities of the Chordates and Echinoderms

Session - 36

Practice-10 (2h)

Study of museum specimen- Echinodermata

Starfish , Antedon , Echinus , Ophiura

Online source : https://naturalhistory.si.edu/research/paleobiology/collections-overview/springer-echinoderm-collection

Case Studies

Case Studies

Our Main Teachers

Dr Yashaswi Nayak

Associate Professor
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Associate Professor, Department of Zoology (School of Applied Sciences) CUTM – Bhubaneswar Dr. Yashaswi Nayak presently serving in Centurion University of Technology and Management as faculty and Head of the Department of Zoology has around sixteen years of teaching experience and possess specialization in Poultry management , vermicomposting processes. Her area of interest is Fishery […]