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