Study Bio Exam 3a Flash Cards

 
Pile Management Card
Bio Exam 3a

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What is ecdysis or molting? Ex?
Shedding skin/cuticle
Onchophora>Velvet worm
What are characteristics that Onchophora>Velvet worms share with Arthropods?
Open circulatory system
Cuticle composed of chitin
What is metaneuphridia?
Thin flexible cuticle to prevent desiccation
What makes the Onchophora similar to Annelids?
Internal metameric segmentation
Where do Onchophora/velvet worms live?
In humid tropical places
What phylum/class are velvet worms?
Protestomia>Onchophora
What Phylum are Chordata and examples?
Bilaria>Deuterostomia
Lancelets, tunicates and hagfishes
What Phylum are Echinodermata and ex?
Bilaria>Deuterostomia
Sand Dollars and Sea Stars and Urchins
What Phylum are Brachiopoda?
Ex?
Bilaria>Deuterostomia
Lamp Shells
What phylum are Extoprotca and ex
Part of the Bilateria>Deuterostomia
Ex- Bryozoans
The Bilarterian are divided between which two phylum?
Deuterostomia and Protostomia
What classes are in Deuterostomia?
Ectoprocta
Brachiopoda
Echinodermata
Chordata
Bilarteria have what kind of symmetry and development?
Body Cavity?
Bilateral and triploblastic
Mostly coelomates (3 layers)
What are the three phylum not in Bilateria?
Porifera, Cnidaria and Ctenophora
Ctentophora have what to propel through water?
eight combs of cilia
Ctenophora
Comb Jellies
Diploblastic, radially symmetrical like Cnidarians
Ctenophora
Ex?
Comb Jellies
What secretes hard external skeleton and calcium carbonate. Builds up on the skeletal remains of earlier generations, constructing rocks with shapes?
Phylum/class
Cnidaria>Anthozoan
Ex of Hydrozoan, Scyphozoan, Cubozoans and Anthozoans
Hydra
Live among plankton and jellies
Sea Wasp (Chironex Fleckeri)
Sea anemones and corals
Cnidaria
Classes?
Hydrozoan, Scyphozoan, Cubozoans and Anthozoans
What are Cnidocytes?
Specialized cells that "sting"
What are Nematocysts and what phylum has them?
Unique structures used by Cnidaria in order to sting or snare prey
Cnidaria
Layers?
Symmetry?
Cavity O/C?
Tissues?
Cephilization?
• Diploblastic
• Radially symmetrical body plan
• Gastrovacular cavity with single opening
• Have true tissues
• Have no brain and the nocentralized nerve net is associated with sensory structures that are distributed radially around the body.
Cnidaria
Ex
corals, jellies and hydras
• Porifera
o capture food particles in the water that passes their their body.
o Water is drawn through the pores into a central cavity, the spongocoel and then flows out of the sponge through a larger opening called the osculum
o lack true tissues meaning they have groups of similar cells that act as functional unit and are isolated from other tissue by membranous layers.
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