Lab 8 Animal Characteristics, Cnidarians, & Platyhelminthes Lab

What symmetry is A?

Radial Symmetry

What symmetry is B?

Bilateral Symmetry

What are examples of Cnidaria?

Jellyfish, corals and hydras

What type of symmetry do Cnidaria posses?

Radial Symmetry

What type of gut and digestive system do Cnidaria posses?

Saclike gut- Incomplete digestive system

How many tissue layers do Cnidaria have?

Ectoderm and Endoderm

What are the endoderm and ectoderm used for in Cnidarias?

Ectoderm for protection and Endoderm for digestion

What body forms do Cnidaria have?

Polyp and Medusa

What tissue layer is A?

Ectoderm

What tissue layer is B?

Mesoglea

What is C?

Endoderm

What is D?

Gastrovascular cavity

What body form is a Sea Anemone?

Polyp

What body form is Coral?

Polyp

What body form is a Jellyfish?

Medusa

What is A?

Ectoderm

What is B?

Mesoglea

What is C?

Endoderm

What is D?

Gastrovascular Cavity

What is E?

Tentacles

What is F?

Mouth-Anus

What animal is this?

Hydra

What is A?

Tentacles

What is B?

Nematocyst

What is C?

Mouth-Anus

What is D?

Hypostome

What is E?

Body

What is F?

Gastrovascular Cavity

What germ layer is G?

Ectoderm

What is H?

Foot

What is A

Barbs

What is B

Filament

What is A

Nematocyst

Is Hydra A expanded or contracted?

Expanded

Is Hydra B expanded or contracted?

Contracted

What is A?

Bud

Is Budding Asexual or Sexual?

Asexual

Is this sexual or asexual reproduction?

Sexual

What is A?

Multiple Testes

What is B?

Ovary

What is A?

Mouth-Anus

What is B?

Manubrium

What is C?

Gonad

What is D?

Nematocyst

What is E?

Tentacles

What is F?

Radial Canal

What animal are they?

Obelia

What form of reproduction do Obelia exhibit?

Metagenesis or Alternation of Generations

What is A?

Hydrocaulus

What is B?

Gonangium

What is C?

Hydranth

What is its function?

Food Gatherers

What is A? (Part of an Obelia)

Hydranth

What is B?

Tentacles with nematocyst

What is C?

Mouth-Anus

What is D?

Hypostome

What is E?

Hydrotheca

What is F?

Annuli

What is G?

Hydrocaulus

What is H?

Peritheca

What is its function?

Reproduction

What is A? (Part of an Obelia)

Gonangium

What is B?

Gonotheca

What is C?

Blastostyle

What is D?

Medusa Buds

What is E?

Annuli

What is F?

Hydrocaulus

What is G?

Peritheca

What are examples of Platyhelminthes?

Tapeworms and Planaria

Do Platyhelminthes exhibit bilateral or radial symmetry?

Bilateral Symmetry

What type of gut and digestive system do Platyhelminthes have?

Saclike gut- Incomplete digestive system

How many germ layers do Platyhelminthes have?

All 3- Ectoderm, Mesoderm and Endoderm

Do Platyhelminthes have a body cavity?

No body cavity, they are acoelomates

What animal is this?

Planaria

What is A?

Anterior end

What is B?

Posterior End

What is C?

Dorsal Surface

What is D?

Ventral Surface

What is E?

Auricle

What is F?

Eyespots

What is G?

Pigment Spots

What animal is this?

Planaria

What is A?

Pharynx

What is B?

Anterior Branch of Gastrovascular Cavity

What is C?

Lateral Branches of Gastrovascular Cavity

What is D?

Pharyngeal Sheath

What is E?

Posterior Branches of Gastrovascular Cavity

What body plan does a Planaria have?

Acoelomate Body Plan

What is A?

Ectoderm

What is B?

Mesoderm

What is C?

Endoderm

What is D?

Gastrovascular cavity

What is E?

Cavity of Pharyngeal Sheath

What is F?

Pharyngeal Sheath

What is G?

Pharyngeal Cavity

What is H?

Pharynx

What is A?

Ectoderm

What is B?

Mesoderm

What is C?

Endoderm

What is D?

Gastrovascular Cavity