Zoology Lab Exam 1

What phylum do sponges belong to?

Phylum Porifera

1

Osculum

What is 2?

Mesohyl

3

ostia

4

water flow

5

Spongocoel

What is 6?

What do these do in regards to food?

Choanocyte. Captures food and passes it to amoebocytes.

What is 7? What does it get from choanocytes and what does it do with it?

Amoebocyte. Gets food and passes it on to other cells.

8

Epidermis

9

Spicules

What is this called? What phylum does this belong to? What class does this belong to? What is the structural grade of this?

Common bath sponge. Phylum Porifera. Class Demospongiae. Leuconoid

What is this called? To what phylum does the organisms that produce this structure belong? What are the two main purposes of this structure? Is this organism typically found in marine habitats, freshwater, or on land?

Gemmule. Phylum Porifera. Asexual reproduction and dormancy. Freshwater

What are these structures? What phylum do they belong to? What class? What structural grade?

Finger Sponges. Phylum Porifera. Class demospongiae. Leuconoid

What is this? What phylum does this belong to? What class? What structural grade?

Tube sponge. Phylum Porifera. Class Demospongiae. leuconoid

What is this? What phylum does it belong to? What class?

Orange elephant ear. Phylum Porifera. Class Demospongiae.

What is this? What phylum does it belong to? What class? What are the spicules made of? What is the structure grade?

Venus flower basket. Phylum Porifera. Class Hexactinellida. Silica. Syconoid

What is this structure? What phylum does this belong to? What class does this belong to? What is the structural grade?

Tubular Branching Sponge. Phylum Porifera. Class Calcarea. Asconoid

What is this structure? What phylum does this belong to? What class does this belong to? What is the function of this?

Simple crown sponge. Phylum Porifera. Class Calcarea. Water circulation

What are the 3 classes of Phylum Porifera?

Calcarea, Demospongiae, Hexactinellida

Tubular branching sponge belongs to what class?

Class Calcarea

Simple crown sponge belongs to what class?

Class Calcarea

Common bath sponge belongs to what class?

Class Demospongiae

Finger sponge belongs to what class?

Class Demospongiae

Tube sponge belongs to what class?

Class Demospongiae

Azure vase sponge belongs to what class?

Class Demospongiae

Orange elephant ear sponge belongs to what class?

Class Demospongiae

Boring sponge belongs to what class?

Class Demospongiae

Venus flower basket belongs to what class?

Class Hexactinellida

What are the 4 classes of Phylum Cnidaria?

Hydrozoa, Scyphozoa, Cuboza, Anthozoa

Obelia belongs to what class?

Class Hydrozoa

Hydra belongs to what class?

Class Hydrozoa

Portuguese Man-O-War belongs to what class?

Class Hydrozoa

Clinging jellyfish belongs to what class?

Class Hydrozoa

Moon jelly belongs to what class?

Class Cubozoa

What are the 2 subclasses of Anthozoa?

Hexacorallia and Octocorallia

Sea anemone belongs to what class?

Subclass Hexacorallia

Northern coral star belongs to what subclass?

Subclass Hexacorallia

Staghorn coral belongs to what subclass?

Subclass Hexacorallia

Mushroom coral belongs to what subclass?

Subclass Hexacorallia

Brain coral belongs to what subclass?

Subclass Hexacorallia

Blue ridge coral belongs to what subclass?

Subclass Hexacorallia

Petosky stone belongs to what subclass?

Subclass Hexacorallia

Stone coral belongs to what subclass?

Subclass Hexacorallia

Sea fan belongs to what subclass?

Subclass Octocorallia

Sea whip belongs to what subclass?

Subclass Octocorallia

Sea rod belongs to what subclass?

Subclass Octocorallia

Sea pansy belongs to what subclass?

Subclass Octocorallia

Pipe organ coral belongs to what subclass?

Subclass Octocorallia

What are spicules and what are they often used to classify?

Little spikes used to give strength and structure. Sponges

What is this? What class of sponge would these most likely come from?

Spicules. Class Calcarea

What are these? What class of sponge would these most likely come from?

Spicules. Class Hexactinellida

What tissue layer in Cnidarians are derived from the ectoderm and cover the external surface of the body?

epidermis

What tissue layer in Cnidarians are derived from the endoderm and lines a single internal body cavity?

gastrodermis

What are protein fibers of collagen called in sponges?

Spongin

Single chamber with a single osculum

Asconoid

Single osculum but surface divided into numerous flagellated canals

Syconoid

Complex network of flagellated chambers and multiple oscula

Leuconoid

What is this structure?

What phylum does it belong to?

What class does it belong to?

Where do they live?

Hydra. Phylum Cnidaria. Class Hydrozoa. Freshwater (local streams and ponds)

What is 1?

What is its purpose?

basal disc. attachment (to submerged sticks, stones, or vegetation)

What is 2?

cylindrical body

What is 3?

tentacles

What is 4?

hypostome

What is 5?

mouth

What is 6?

What is unique about them?

What is there purpose?

Cnidocytes. They explode. Defense and obtaining food.

Looking at this whole mount image of a hydra, what is 1?

What is it derived from?

Which major tissue type is this comprised of?

Epidermis. The ectoderm. Epithelial

Looking at this whole mount image of a hydra, what is 3?

What is it derived from?

Gastrodermis. The endoderm

Looking at this whole mount image of a hydra, what is 2?

Mesoglea (non-living gelatinous material)

What structure is this?

What class is this structure?

What is #1 called?

What is the purpose of #1?

Obelia. Class hydrozoa. Reproductive polyps. Produce tiny, free-swimming medusae asexually through budding.

What structure is this?

What class is this structure?

What is #2 called?

What is the purpose of #2?

Obelia. Class hydrozoa. Feeding polyps. Capture prey and digest food.

In Obelia, fertilized eggs from medusae develop into ciliated ____________.

planula larvae

What is this?

What class is this structure?

What is the blue thing?

How might the blue thing be adaptive?

Portuguese Man-o-war. Class hydrozoa. Upper polyp that is modified into an air bladder. Keeps the structure afloat and coeans winds/currents move the colony

What structure is this?

What class?

Moon jelly. Class scyphozoa

What is this structure?

What Class?

What is 1?

What is 2?

Moon jelly. Class scyphozoa. Gastric pouch. Gastric filaments.

What is this?

What class?

What is 3?

What is 4?

What is the function of 3 and 4?

Moon jelly. Class scyphozoa. Radial canals. ring canal. Disperse nutrients

What is this?

What phylum?

What class?

What are the effects they have on humans?

Box jelly. Phylum Cnidaria. Class cubozoa. severe, immediate burning pain

What is this?

What phylum?

What class?

What subclass?

What is 1?

How does asexual reproduction happen with 1?

Sea anemone. Phylum Cnidaria. Class Anthozoa. Subclass Hexacorallia. Pedal disc. Bits of tissue from the pedal disc split as it moves along the substrate, and these pieces regenerate into entire anemones.

What is this?

What phylum?

What class?

What subclass?

How does sexual reproduction occur in this?

Is this a polyp-only organism?

Sea anemone. Phylum Cnidaria. Class Anthozoa. Subclass Hexacorallia. Gametes are released from the gonads and are fertilized in the sea. The fertilized eggs develop into free-swimming larvae. Yes.

What is this?

What phylum?

What class?

What subclass?

Northern star coral. Phylum Cnidaria. Class Anthozoa. Subclass Hexacorallia.

What is this?

What phylum?

What class?

What subclass?

Staghorn coral. Phylum Cnidaria. Class Anthozoa. Subclass Hexacorallia.

What is this?

What phylum?

What class?

What subclass?

Mushroom coral. Phylum Cnidaria. Class Anthozoa. Subclass hexacorallia.

What is this?

What phylum?

What class?

What subclass?

Brain coral. Phylum cnidaria. Class anthozoa. Subclass hexacorallia

What is this?

What phylum?

What class?

What subclass?

Blue ridge coral. Phylum Cnidaria. Class Anthozoa. Subclass Hexacorallia.

What is this?

What phylum?

What class?

What subclass?

Petosky stone. Phylum cnidaria. Class anthozoa. Subclass hexacorallia.

What is this?

What phylum?

What class?

What subclass?

Stone coral. Phylum cnidaria. Class anthozoa. Subclass hexacorallia.

What is this?

What phylum?

What class?

What subclass?

Sea fan. Phylum Cnidaria. Class Anthozoa. Subclass Octocorallia

What is this?

What phylum?

What class?

What subclass?

Sea whip. Phylum Cnidaria. Class anthozoa. Subclass octocorallia.

What is this?

What phylum?

What class?

What subclass?

Sea rod. Phylum Cnidaria. Class Anthozoa. Subclass Octocorallia.

What is this?

What phylum?

What class?

What subclass?

Sea pansy. Phylum cnidaria. Class anthozoa. Subclass octocorallia.

What is this?

What phylum?

What class?

What subclass?

Pipe organ coral. Phylum Cnidaria. Class anthozoa. Subclass octocorallia