Class 9 em sci ch 3 session 6

2. CHAPTER 3
DIVERSITY IN LIVING ORGANISMS

3. LET’S REVISE
 GYMNOSPERMS
 ANGIOSPERMS

4. TODAY’S TOPIC
 KINGDOM ANIMALIA
 PHYLUM PORIFERA
 PHYLUM COELENTERATA

5. KINGDOM ANIMALIA
 Multicellular
 Eukaryotes
 No cell wall
 Heterotrophs
CLASSIFIED INTO
TWO :
VERTEBRATES
INVERTEBRATES

6. CLASSIFICATION
Kingdom Animalia are classified into different Phylum.
 Phylum Porifera
 Phylum Coelenterata
 Phylum Platyhelminthes
 Phylum Nematoda
 Phylum Annelida
 Phylum Arthropoda
 Phylum Mollusca
 Phylum Echinodermata
 Phylum Protochordata
INVERTEBRATES

7. CLASSIFICATION
 Phylum Pisces
 Phylum Amphibia
 Phylum Reptilia
 Phylum Aves
 Phylum Mammalia
VERTEBRATES

8. PHYLUM PORIFERA
 Word meaning : Organisms with pores
 Commonly known as Sponges
 Marine Organisms
 Non-motile animals – attached to a support
 Possess a large cavity inside their body –
spongocoel
 Pores + Spongocoel
 Waste material
 Outer surface is hard ( skeleton )
Water canal system
Osculum
Calcium
and Silicon

9. SYCON

10. SPONGILLA

11. PHYLUM COELENTERATA ( CNIDARIA )
 Aquatic animals
 Outer surface is hard – Exoskeleton
 There is a cavity in the body
 Body is made up of two layers of cells:
 One makes up cells on the outside of
the body,
One makes the inner lining of the body
 Some lives in colony , some have
solitary life

12. CORALS

13. HYDRA