Kingdom AnimaliaInvertebrates(Simple Animals)

Mr. SkirbstLife Science

Topic 16

Kingdom Animalia

Kingdom AnimaliaAnimals – multicellular

heterotrophs whose cells lack cell walls

Kingdom AnimaliaAnimals – multicellular

heterotrophs whose cells lack cell walls

2 Major Divisions:

Kingdom AnimaliaAnimals – multicellular

heterotrophs whose cells lack cell walls

2 Major Divisions:1- Invertebrates (no backbone)

Kingdom AnimaliaAnimals – multicellular

heterotrophs whose cells lack cell walls

2 Major Divisions:1- Invertebrates (no backbone)2- Vertebrates (backbone)

Invertebrates

Invertebrates

Phylum Porifera

Invertebrates

Phylum Porifera- “pore-bearers” (have many holes)- simplest invertebrates

Sponges

- Have many pores

Sponges

- Have many pores- Show little movement

Sponges

- Have many pores- Show little movement- Reproduce sexually &

asexually

Sponges

- Have many pores- Show little movement- Reproduce sexually &

asexually- Cells can “reorganize”

Sponges

- Typical Sponge:

Phylum Cnidaria

Phylum Cnidaria

From the Greek word:“to sting”

Phylum Cnidaria

From the Greek word:“to sting”- Have nematocysts (stinging

structure)

Phylum Cnidaria

From the Greek word:“to sting”- Have nematocysts (stinging

structure)- Have central cavity with one

opening called a “mouth”

Phylum Cnidaria

From the Greek word:“to sting”- Have nematocysts (stinging

structure)- Have central cavity with one

opening called a “mouth”- Have specialized tissue

Phylum Cnidaria

2 Body Forms:

Phylum Cnidaria

2 Body Forms:1. Polyp – vase shaped

(ex. hydra, coral, anemone)

Phylum Cnidaria

2 Body Forms:1. Polyp – vase shaped

(ex. hydra, coral, anemone)2. Medusa – bowl-shaped

(ex. jellyfish)

Other InvertebratesWormsMollusksArachnidsInsectsEchinodermsEtc…….