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Arthropod phylogeny & Insect Evolution

Arthropod phylogeny & Insect Evolution

Arthropod phylogeny & Insect Evolution. Objectives:. Identify characteristics of the Arthropoda Discuss Arthropod Phylogeny Characteristics of major taxa Discuss Insect Evolution. Arthropoda. Arthro- Refers to Joints Poda- Refers to feet. Arthropoda. Characteristics

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1.46k views • 33 slides
Arthropods!

Arthropods!

Arthropods!. Do Now : Turn in Earthworm dissection. Phylum Arthropoda. Biggest phylum of animals currently alive and extinct. Several _________ different species Exist in every environment, in almost every ecosystem on Earth.

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556 views • 24 slides
Platyhelminthes: flatworms

Platyhelminthes: flatworms

Platyhelminthes: flatworms. Cestoda: tapeworms Turbellaria: free living flatworms like Planaria Trematoda: flukes like Schistosoma. Platyhelminthes. Have bilateral symmetry Can be free living or parasitic Have 3 germ layers and are acoelmate (lacking a cavity between gut and outer wall)

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617 views • 19 slides
PHYLUM ARTHROPOD

PHYLUM ARTHROPOD

PHYLUM ARTHROPOD. BY: ARIANA MEJIA. CHARACTERISTICS. Segmented body plan Exoskeleton Has an open circulatory system Nervous system has a dorsal brain and a ventral nerve chord Bilateral symmetry Sexual reproduction. Class Insecta.

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335 views • 14 slides
Nematoda: Roundworms

Nematoda: Roundworms

Nematoda: Roundworms . First phylum to have the Complete digestive tract: mouth and anus Pseudocoelomate: fluid filled between endoderm and mesoderm Hydrostatic skeleton under pressure which means only one shape is possible (tapered hotdog). Phylum Nematoda.

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433 views • 11 slides
Phylum within Kingdom Animalia

Phylum within Kingdom Animalia

Phylum within Kingdom Animalia. Prorifera. Multicellular with little or no tissue organization. No segmentation No backbone. Body is in the form of a sac-like structure consisting of three layers -The cavity of this sac is called the spongocoel. Commonly referred to as Sponges.

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340 views • 10 slides

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