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What cell type has flattened cells that cover the body surface?
Pinacocytes
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What cell type has flagella and maintains water through a sponge?
Choanocytes
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What cell type digests and distributes nutrients along with producing reproductive cells?
Amoebocytes
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What cell type secrets spicules (which are made of glass, chalk, or proteins)?
Amoebocytes
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What cell type has cells that curls end to end to form ostia prores?
Porocytes
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Which class of Cnidaria are considered primitive polyps?
Class Hydrozoa
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Which class of Cnidaria are considered medusa forms?
Class Scyphozoa
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Which class of Cnidaria are considered advanced polyps?
Class Anthozoa
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What are some examples of what would be classified in a class such as Hydrozoa?
Hydra, Physalia, and Obelia
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What are some examples of what would be classified in a class such as Scyphozoa?
Aurelia
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What are some examples of what would be classified in a class such as Anthozoa?
Sea anemones and corals
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What kind of symmetry do Porifera have?
Asymmetrical
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What kind of symmetry do Cnidaria have?
Radial
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What kind of symmetry do Platyheminthes have?
Bilateral
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What is the muscular organ in the Planarian that releases enzymes to digest food is the...
Pharynx
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How does a Planarian reproduce sexually?
by internal ferilization
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How does a Planarian reproduce asexually?
By regeneration
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What are 3 examples of Platyhelminthes?
Tapeworms, Flukes, and Planaria
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This term means cross or self fertilization
Hermaphroditic
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What are the 4 characteristics of Platyhelminthes?
- Nerve net/ cords
- Some have beginnings of a nervous system such as a ganglion
- Eyespot
- Specialized sense cells
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What are the typical sizes for Platyhelminthes?
1 mm to several meters
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How many body opening are do Platyhelminthes have?
one
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What transports wastes with the help of flame cells to exit through excretory pores in Platyhelminthes?
Protonephridia
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where is the mouths location in Platyhelminthes?
in the center of the body
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What are 3 examples of Cnidaria?
Jellyfish, Anemone, and Corals
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Cnidarians poison their prey by using tiny stinging cells located on the tentacles. What are the stinging cells called?
Cnidocytes
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How do Cnidaria reproduce asexually?
budding
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What kind of body cavity do Cnidaria have?
Gastrovascular Cavity
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How do Cnidaria sexually reproduce?
through external reproduction
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How many body layers do Cnidaria have and what are their names?
2 (Endoderm and Ectoderm)
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What is it called when an organism has a body shaped like an umbrella?
Medusa
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What is it called when an organism has a tube shaped body and a mouth surrounded by tentacles?
polyp
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What is a another term for having 2 body layers?
Diploblastic
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Porifera are ________, which mean they have no backbone.
invertebrates
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What’s an example of a Porifera?
sponges
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What does the term Acoelomate mean?
no body cavity
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What does the term Pseduocoelomate mean?
false/fake body cavity
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What does the term Coelom mean?
the body cavity is completely enclosed in mesoderm
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What does Asymmetry mean?
no symmetry
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What does radial Symmetry mean?
2 or more symmetry (multiple lines of symmetry)
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What does Bilateral symmetry mean?
middle mirror symmetry (1 line)
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What is it called when waste leaves the same opening that food goes in?
Incomplete Digestion
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What is it called when there are special regions to breakdown and process food?
complete digestion
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What is it called when the coelom forms as an outgrowth of the digestive cavity?
Deuterostome
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What is it called when the coelom forms with the space between the body wall and the digestive cavity?
Protostome
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What are the 3 germ layers of Gastrula?
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What is a big ball of cells that are undifferentiated and ready to grow into anything they need?
Blastula
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What is the lining of hollow organs?
Endoderm
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What germ layer gives rise to the nervous system and Epitheliel cells?
Ectoderm
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What two things do Molluscs lack?
Heads + Tails (Cephalization)
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What is the large center hole in Porifera where waste is expelled?
Osculum
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