CSUN Biology 106 Lab Practical 2

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Last updated 11:34 AM on 5/5/26
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297 Terms

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Hydrozoa

Class?

<p>Class?</p>
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Cnidaria

Phylum?

<p>Phylum?</p>
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Siphonophorae

Order?

<p>Order?</p>
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Man o' war

Common name?

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Hydrozoa

Class?

<p>Class?</p>
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Scyphozoa

Class?

<p>Class?</p>
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Cnidaria

Phylum?

<p>Phylum?</p>
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Cnidaria

Phylum?

<p>Phylum?</p>
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Anthozoa

Class?

<p>Class?</p>
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Cnidaria

Phylum?

<p>Phylum?</p>
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Anthozoa (coral)

Class?

<p>Class?</p>
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Anthozoa

Most advanced class in phylum Cnidaria

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Turbellaria

Class?

<p>Class?</p>
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Platyhelminthes

Phylum?

<p>Phylum?</p>
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Planarians

Free-living flatworms

What are thoooose?

<p>What are thoooose?</p>
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Monogenea

Class?

<p>Class?</p>
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Platyhelminthes

Phylum?

<p>Phylum?</p>
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Ectoparasite

Is this an ectoparasite, or an endoparasite?

<p>Is this an ectoparasite, or an endoparasite?</p>
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Trematoda

Class?

<p>Class?</p>
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Platyhelminthes

Phylum?

<p>Phylum?</p>
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Endoparasite

Is this an endoparasite or an ectoparasite?

<p>Is this an endoparasite or an ectoparasite?</p>
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Clonorchis Sinensis

Human Liver Fluke

<p>Human Liver Fluke</p>
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Schistosoma

Human Blood Fluke

<p>Human Blood Fluke</p>
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Cestoda (tapeworms)

Class?

<p>Class?</p>
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Calcarae (calcareous sponge)

Class?

<p>Class?</p>
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Hexactinellida (glass sponge)

Class?

<p>Class?</p>
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Demospongia (common sponge)

Class?

<p>Class?</p>
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Porifera (sponges)

Phylum?

<p>Phylum?</p>
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Annelida

Phylum?

<p>Phylum?</p>
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Polychaeta (marine worm)

Class?

<p>Class?</p>
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Oligochaete (earth worm)

Class?

<p>Class?</p>
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Hirudinae

Class?

<p>Class?</p>
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Hirudo medicinalis

Medical Leech?

<p>Medical Leech?</p>
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Clitellata

Class Oligochaeta and Hirudinae are in WHAT group for having a physical similarity?

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Nematoda

Phylum?

<p>Phylum?</p>
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Ascaris

Name these ugly worms

<p>Name these ugly worms</p>
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Mollusca

Phylum?

<p>Phylum?</p>
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Gastropoda

Class?

<p>Class?</p>
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Bivalvia

Class?

<p>Class?</p>
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Cephalopoda

Class?

<p>Class?</p>
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Polyplacophora

Class?

<p>Class?</p>
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Cephalopoda

Class?

<p>Class?</p>
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Coelomate

Earthworm body cavity?

<p>Earthworm body cavity?</p>
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Acoelomate

Flatworm body cavity?

<p>Flatworm body cavity?</p>
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pseudocoelomate

Roundworm body cavity?

<p>Roundworm body cavity?</p>
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Spirucles (made of silica, or calcium carbonate)

Present in cell wall of sponge. What is it?

<p>Present in cell wall of sponge. What is it?</p>
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Spongin (network of fiberous protein)

What is this in the sponge?

<p>What is this in the sponge?</p>
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Fragmentation

How do sponges reproduce asexually?

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Yes, most are hermaphroditic

Do sponges reproduce sexually too?

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Filter Feeding: Sticky flagellum on choanocytes (particles become stuck)

How do Sponges feed?

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True

Tapeworms have more than one host, a primary and secondary host. Is this true or false?

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ONCHOSPHERES

Pig eats tapeworm eggs, digests shell, and frees developed embryos called:

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CYSTICERCUS

ONCHOSPHERES (developed tapeworm embryos) travel through blood stream to bladder and transforms into:

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2 to 4 hosts

Class Trematoda has a complex lifecycle. They may have how many hosts?

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DEFINITIVE HOST

Where parasites grows sexually and is generally a vertebrae

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INTERMEDIATE HOST

Where parasites spend a short transitional period

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Porifera

Which phylum is asymmetrical, and has a cellular level of organization

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True

Adult sponges are sessile (immobile)

True or false?

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monoecious (hermaphrodites)

Earthworms: Dieocious or monoecious?

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Triploblastic

Phylum Platyhelminthes: diplo or triploblastic?

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Bilateral

Phylum Playhelminthes symmetry?

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Fission

Class Turbellaria reproduce by

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One

Class Monogenea (ectoparasites) use how many hosts?

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Nematoda

What phylum are the hookworm, filaria worm, trichina worm, ascaris, C. elegans, and pin worms?

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Caenorhabitis elegan (C. elegan)

Name what is described: free-living, hermaphrodites and males, live in soil, fluorescence after death, and is a model organism

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Nematoda

Phylum?

<p>Phylum?</p>
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Caenorhabitis elegan (C. elegan)

Name this:

<p>Name this:</p>
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Cut with sharp jaws, or with flesh dissolving enzyme

How do leeches break skin?

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Setae

What do leeches lack that Oligochaeta and Polychaeta both have?

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Plankton, nematocysts

Jellyfish eat__________by immobilizing prey with__________

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Large, NON-colonial

Class Scyphozoa consists of mainly jellyfish that are ______________ and______________.

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FALSE. Medusa Dominant

Polyps are the dominant life form for Class Scyphozoa. True or false?

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FALSE. All polyps, never medusas

Class Anthozoa are all medusas, never polyps. True or false?

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COLONIAL

Are the animals in Class Anthozoa colonial or non-colonial?

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Intestine

Tapeworms live mainly where?

<p>Tapeworms live mainly where?</p>
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TRUE

Tapeworms have no digestive tract, they obtain nourishment by directly absorbing it through their body wall. True or false?

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Proglottids

One can determine if a tapeworm is young or old by the size of its neck which is called:

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No body cavity

Class Trematoda have what type of body cavity?

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dieocious (not hermaphrodites)

Dieocious or monoecious?

<p>Dieocious or monoecious?</p>
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Sedentary

Are brightly colored Polychaeta sedentary or are they not sedentary?

<p>Are brightly colored Polychaeta sedentary or are they not sedentary?</p>
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Filter feed on microscopic organisms

How do sedentary Polychaeta feed?

<p>How do sedentary Polychaeta feed?</p>
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Anything from debris to small animals

Non-sedentary Polychaeta feed on what?

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Hydranths and gonangia

2 Types of Obelia polyps

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Hydranth for feeding

Which type of Obelia polyp is this?

<p>Which type of Obelia polyp is this?</p>
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Gonangium for reproducing

Which type of Obelia polyp is #6 referring to?

<p>Which type of Obelia polyp is #6 referring to?</p>
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Mollusca

Which phylum consists of a muscular foot for locomotion, a dorsal visceral mass enclosing organs, a mantle that surrounds the visceral mass, and a radula for feeding (except in class Bivalvia)

87
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Umbo, adductor muscle

Class Bicvalvia has a body covered by a hinged, 2 valves shelled held together by the________ and opens and closed by using the ___________.

<p>Class Bicvalvia has a body covered by a hinged, 2 valves shelled held together by the________ and opens and closed by using the ___________.</p>
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Filter feeding

Class Bivalvia do not have radula for feeding, they obtain their food by...

<p>Class Bivalvia do not have radula for feeding, they obtain their food by...</p>
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Trochophore Larva

Most marine molluscs except Cephalopods have similar looking larva. These are called:

<p>Most marine molluscs except Cephalopods have similar looking larva. These are called:</p>
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Trochophore Larva (up close)

What is this?

<p>What is this?</p>
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Layers of cells that form during development

What are germ layers?

<p>What are germ layers?</p>
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Gastrulation

What is this depicting?

<p>What is this depicting?</p>
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Merostomata

Class?

<p>Class?</p>
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Arthopoda

Phylum?

<p>Phylum?</p>
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Arachnida

Class?

<p>Class?</p>
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Araneae

Order?

<p>Order?</p>
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Arthopoda

Phylum?

<p>Phylum?</p>
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Arachnida

Class?

<p>Class?</p>
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Arthopoda

Phylum?

<p>Phylum?</p>
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Scorpiones

Order?

<p>Order?</p>