kingdom animalia invertebrates (simple animals) mr. skirbst life science topic 16
TRANSCRIPT
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Kingdom AnimaliaInvertebrates(Simple Animals)
Mr. SkirbstLife Science
Topic 16
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Kingdom Animalia
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Kingdom AnimaliaAnimals – multicellular
heterotrophs whose cells lack cell walls
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Kingdom AnimaliaAnimals – multicellular
heterotrophs whose cells lack cell walls
2 Major Divisions:
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Kingdom AnimaliaAnimals – multicellular
heterotrophs whose cells lack cell walls
2 Major Divisions:1- Invertebrates (no backbone)
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Kingdom AnimaliaAnimals – multicellular
heterotrophs whose cells lack cell walls
2 Major Divisions:1- Invertebrates (no backbone)2- Vertebrates (backbone)
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Invertebrates
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Invertebrates
Phylum Porifera
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Invertebrates
Phylum Porifera- “pore-bearers” (have many holes)- simplest invertebrates
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Sponges
- Have many pores
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Sponges
- Have many pores- Show little movement
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Sponges
- Have many pores- Show little movement- Reproduce sexually &
asexually
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Sponges
- Have many pores- Show little movement- Reproduce sexually &
asexually- Cells can “reorganize”
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Sponges
- Typical Sponge:
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Phylum Cnidaria
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Phylum Cnidaria
From the Greek word:“to sting”
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Phylum Cnidaria
From the Greek word:“to sting”- Have nematocysts (stinging
structure)
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Phylum Cnidaria
From the Greek word:“to sting”- Have nematocysts (stinging
structure)- Have central cavity with one
opening called a “mouth”
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Phylum Cnidaria
From the Greek word:“to sting”- Have nematocysts (stinging
structure)- Have central cavity with one
opening called a “mouth”- Have specialized tissue
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Phylum Cnidaria
2 Body Forms:
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Phylum Cnidaria
2 Body Forms:1. Polyp – vase shaped
(ex. hydra, coral, anemone)
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Phylum Cnidaria
2 Body Forms:1. Polyp – vase shaped
(ex. hydra, coral, anemone)2. Medusa – bowl-shaped
(ex. jellyfish)
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Other InvertebratesWormsMollusksArachnidsInsectsEchinodermsEtc…….