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Kingdom Animlia
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- 2. multicellular,mithochondrial heterotrophs—they have multicellular cellswith mithochondria and they rely on other organisms for their noutishment •Most animals ingest their food and then digest in some kind of internal
- 3. ANIMAL SPECIES •Somewhere around9-10 million species of animals inhabits the earth •About 800,000 species are identified.
- 4. ANIMAL REPRODUCTION •Most animals reproducesexually, by means of differentiated haploid cells(eggs and sperm) •Mosy animals are diploid,meaning that the cells of adults contain two copies of the genetic material.
- 5. CHARACTERISTICS •They are heterotrophicand multicellular •They all vary in size • Compose of 9 phyla •2 classifications —Invertebrates:without backbone —Vertebrates:with backbone
- 6. PHYLUM PORIFERA •Also known asSPONGES •Have PORES or HOLES in their bodies and a single large opening called OSCULUM •Filter feeders •Has two layers of cell Epidermal cell Collar cell
- 7. PHYLUM CNIDARIA •Hollow,tube-like bodies •Presenceof nematocyst •Bodies are conmposed of two layers of tissue:epidermis and gastrodermis •Food is ingested and expelled through the gastrovascular cavity
- 8. PHYLUM PLATYHELMINTHES •Commonly known asflatworms •Flat bodies •They posses only a hollow sac with single opening for food and waste excretion
- 9. PHYLUM NEMATODA •Commonly knownas roundworms •Round bodies covered with cuticle •Ascaris and bookworms are
- 10. PHYLUM ANNELIDA •Characterized byring like body parts •Have similar segments throughout their bodies •Presence of mouth and anus
- 11. PHYLUM MOLLUSCA •Have softtbodies but they have hard protective shells as outer body covering •Mussels,clams,an d oyster are
- 12. PHYLUM ARTHROPODA •Most diverse ofall the phyla •Exhibiths CEPHALIZATION •Well developed nervous system(brain,and nerve cord •Have segmented bodies •Body is divided into 3 segments (head,thorax and abdomen)
- 13. PHYLUM ECHINODERMATA •Has a tubefeet of canals •For sucking in seawater to obtainnutrients and for expelling wastes.
- 14. PHYLUM CHORDATA •Three distinguishingstructures: —Notochord —Skull —Vertebral column or backbone
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- 16. ECOLOGICAL IMPORTANCE •Every life forman important role in the ecological balance of the earth. For example, carnivores are a natural way of controlling population of herbivores in forests and grasslands. If there were no carnivores, then the population of these herbivores would grow so much they could clear considerable area of forests and grasslands in their bid to feed themselves
- 17. ECONOMIC IMPORTANCE •The silkwormbelongs to the phylum arthropoda of the animal kingdom. Silk from silkworm (and also artificial fibers in some cases) support the silk industry which has an annual commercial value of $200-$500 million. The dairy industry, wool industry, leather and tanning industry and the fishing industry are some sectors that not only provide employment to millions but also fulfill a number of needs of human beings.
- 18. NUTRITIONAL IMPORTANCE •Meat is animportant source of proteins, which are the building blocks of our body.Milk from cow is an important source of proteins, carbohydrates, fats, vitamins and minerals like calcium, potassium, potassium and magnesium.
- 19. POLLINATORS AND FOOD CROPS •Accordingto a news published by the University of California, Berkeley, bees, bats and birds are important pollinators that are responsible for the pollination of around 35 percent of crops that feed the entire human population. Without these pollinators, the human race would run into an acute food shortage.