BIO 319L Prac. 1

eku

Phylum Amoebozoa

Amoeba, Arcella, Difflugia

Nutrition= Heterotrophic

Locomotion= Pseudopodia

Phylum Euglenozoa

Euglena, Trypanosoma

Nutrition= A/H

Locomotion= Flagella

Phylum Plantae

Volvox

Nutrition= Autotrophic

Locomotion= Flagella

Phylum Dinoflagellata

Ceratium

Nutrition= Autotrophic

Locomotion= flagella

Phylum Apicomplexa

Plasmodium

Nutrition= Heterotrophic

NO locomotion

Parasitic

Phylum Ciliophora

Paramecium, Stentor, Vorticella

Nutrition= Heterotrophic

Locomotion= Cilia

Amoeba

(Phylum Amoebozoa)

Arcella

(Phylum Amoebozoa)

Difflugia

(Phylum Amoebozoa)

Euglena

(Phylum Euglenozoa)

Autotrophic

Trypanasoma

(Phylum Euglenozoa)

Heterotrophic

Causes sleeping sickness(all parasitic)

Volvox

(Phylum Plantae)

Ceratium

(Phylum Dinoflagellata)

(coral/marine&freshwater species)

Plasmodium

(Phylum Apicomplexa)

Causes Malaria

Paramecium

(Phylum Ciliophora)

Vorticella

(Phylum Ciliophora)

Stentor

(Phylum Ciliophora)

Asonoid

The simplest type of water circulation system that’s found in small, tube-shaped sponges.
Water moves in a single, direct path through the sponge structure.

Syconoid

Moderate complex water-circulation and filtration network found in sponges.

Leuconoid

The most complex type of water-circulating and filtering system found in sponges.

Class Calcarea

Canal Sys=Asconoid, Synconoid, Leuconoid

Skeletal Material= Spicules of Calcium Carbonate

(Leucosolenia)

Leucosolenia

Class Calcarea

Class Hexactinellida

Canal Sys= Synconoid, Leuconoid

Skeletal Material= Silica Spicules

Euplectella

Euplectella

Class Hexactinellida

Class Demospongiae

Canal Sys= Leuconoid

Skeletal Material= Silica Spicules, Spongin fibers, or Combination

Spongia (commercial bath sponge)

Cliona (boring sponge

Spongin

Spicules

Class Hydrozoa

Hyrda, Obelia, Physalia

-Solitary + Colonial

-Asexual Polyps + Sexual Medusae

(Also can feature Hydra with bud)

Class Scyphozoa

(The true jelly fishes)

Aurelia

-Medusea

-Polyp stage reduced/absent

Class Scyphozoa Life Cycle

Aurelia - Planula larva

Class Scyphozoa

Aurelia - Scyphistoma

Class Scyphozoa

Aurelia - Strobila

Class Scyphozoa

Aurelia- Ephyra

Class Scyphozoa

Class Anthozoa

2 subclasses: Subclass Hexacorallia + Subclass Octocorallia

-Only Polyp

-Solitary or Colonial

Subclass Hexacorallia

Sea Anemones + Hard Corals

Hexamerous Symmetry

Structure of Sea Anemones

Subclass Hexacorallia

Subclass Octocorallia

Soft Corals

Octomerous Symmetry

-almost all colonial

Phylum Platyhelminthes

C. Turbellaria, C. Trematoda, C. Cestoda

Parasitic

Digestive Sys.= Incomplete

Nervous Sys.= Ladder-like

Excretory Sys.= Protonephridia

Lacking= Respiratory Sys., Skeletal Sys., Circulatory Sys.

Reproduction= Most Monecious(M+F), Some Asexual

Class Turbellaria

Freeliving Flatworms and Planaria

Ventral Mouth (under the head)

Digestive Sys. Incomplete

Planaria Flatworm

C. Turbellaria

Cross Section of Planaria

Acoelomate

Class Trematoda

The Flukes, Clonorchis

Endoparasites (live in host)

Ventral sucker used for attachment

Clonorchis

C. Trematida

Chinese Liver Fluke

Clonorchis

C. Trematoda

Class Cestoda

Taenia (The Tapeworms)

Endoparasites

Body: Scolex and Proglottids

No Digestive Sys.

Scolex

C. Cestoda

Taenia

Known as the ‘head’

Structures used for attachment: hooks, suckers, rostellum

Proglottids

C. Cestoda

Taenia

Known as the ‘body’

Process of Strobilization=Strobila (Oldest to Newest)

Mature Proglottid

C. Cestoda

Taenia

Newer segments that push the older ones further down the chain.

Gravid Proglottid

C. Cestoda

Taenia

Older segments at the far end, filled with fertilized eggs

Breaks off and passes through the host’s waste

Phylum Annelida

C. Polychaeta, C. Oligochaeta, C. Hirudinea

Found in Freshwater, Marine, Terrestrial habitats

Body: Vermiform, Bilaterally Symmetrical, Segmented

Triploblastic w/ Coelom (fluid)

Complete Digestive Sys.

Circulatory Sys. Closed

C. Polychaeta

Fanworms, Clam Worms

Mostly marine/free living

Parapodia- hair like bristles

Nereis

Phylum Annelida

C. Polychaeta

(Clam Worm)

Parapodia

Phylum Annelda

C. Polychaeta

Parapodia used for swimming/crawling

Setae used for defense/traction

Class Oligochaeta

Earthworms + Freshwater Worms

Few have setae

No parapodia

Clitellum is present (the band shows it at reproductive maturity)

Hermaphrodites (M+F) but cannot self-fertilize

Earthworm

C. Oligochaeta

Phylum Annelida

Earthworm Reproduction/Mating

C. Oligochaeta

Phylum Annelida

Class Hirudinea

Leeches

Ectoparasites (feed on outside of host)

Dorso-ventrally flattened with fixed # of body segments (34)

No Setae, No Parapodia

Clitellum(band) present only during reproduction

2 suckers= Anterior (front)/ Posterior (Back)

Leeches

C. Hirudinea

Phylum Annelida