animal kingdom introduction 2015.ppt
- 1. Animal Kingdom How do animal populations differ?
- 2. Kingdom Animalia Within the Animal Kingdom there are approximately 35 sub-divisions called “Phyla”; each phylum sub-division shares particular structural and functional properties which together separate it from other phyla. There are 9 main phyla in the Animal kingdom:
- 3. Kingdom Animalia Porifera – These are the salt-water sponges; there are approximately 8,000 separate species existing today.
- 4. Kingdom Animalia Porifera – These are the salt-water sponges; there are approximately 8,000 separate species existing today. Cnidaria- This group is composed of jellyfish, and other lower aquatic animals; approx 15,000 species exist today
- 5. Kingdom Animalia Porifera – These are the salt-water sponges; there are approximately 8,000 separate species existing today. Cnidaria- This group is composed of jellyfish, and other lower aquatic animals; approx 15,000 species exist today Platyhelminthes – These are the flatworms which inhabit both marine and freshwater habitats; over 15,000 species exist today.
- 6. Kingdom Animalia Porifera – These are the salt-water sponges; there are approximately 8,000 separate species existing today. Cnidaria- This group is composed of jellyfish, and other lower aquatic animals; approx 15,000 species exist today Platyhelminthes – These are the flatworms which inhabit both marine and freshwater habitats; over 15,000 species exist today. Nematodes – This phylum consists mainly of about 80,000 known parasitic worms.
- 7. Mollusca – This major group consists of snails, clams, squid, and octopus; there are over 110,000 known species.
- 8. Mollusca – This major group consists of snails, clams, squid, and octopus; there are over 110,000 known species. Annelida – About 15,000 individual segmented worms comprise this phylum; the common earthworm is an example.
- 9. Mollusca – This major group consists of snails, clams, squid, and octopus; there are over 110,000 known species. Annelida – About 15,000 individual segmented worms comprise this phylum; the common earthworm is an example. Arthropoda – This very large group consists of insects; it is estimated that there are over 1 million species of insects existing today.
- 10. Echinodermata – These are the marine starfish; about 6,000 species exist today.
- 11. Echinodermata – These are the marine starfish; about 6,000 species exist today. Chordata – This is a group of animals which are classified on the basis of possessing 3 common embryological features – dorsal nerve cord, supportive structure called the notocord, and pharyngeal gill pouches. Within this phylum is a highly-advanced group called the `vertebrates' which include fish, amphibians, reptiles, birds, and mammals; it is this phylum to which the human organism belongs.
- 13. Phylum Porifera - Sponges Structure
- 14. Phylum Porifera - Sponges Structure –Bodies of sponges are supported by a network of spikes.
- 15. Phylum Porifera - Sponges Structure –Bodies of sponges are supported by a network of spikes. –Has pores
- 16. Phylum Porifera - Sponges Reproduction
- 17. Phylum Porifera - Sponges Reproduction –Asexually by budding
- 18. Phylum Porifera - Sponges Reproduction –Asexually by budding –Sexually
- 19. Phylum Porifera - Sponges Reproduction –Asexually by budding –Sexually Sponges do not have separate sexes but a single sponge produces eggs at one time of the year and sperm at a different time.
- 21. Phylum Porifera - Sponges Getting Food and Oxygen from Water
- 22. Phylum Porifera - Sponges Getting Food and Oxygen from Water – Feed by straining food particles from water
- 23. Phylum Porifera - Sponges Getting Food and Oxygen from Water – Feed by straining food particles from water – Oxygen from the water moves into the sponges cells
- 24. Phylum Porifera - Sponges Getting Food and Oxygen from Water – Feed by straining food particles from water – Oxygen from the water moves into the sponges cells – Move reproductive cells