Phylum cnidaria - Study guides, Class notes & Summaries
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Bio 1402 Chapter 33 Questions and Answers Rated A+
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Bio 1402 Chapter 33 Questions and 
 
Answers Rated A+ 
 
Schistosomiasis is a serious disorder afflicting humans mainly in tropical regions; it is caused by 
a fluke. 
 
The long, flat bodies of tapeworms are made up of repeating segments known as proglottids. 
 
Which of the following is not true about beef tapeworms? more than 10% of the cattle are 
infected in the United States 
 
Which of the following is not true about pseudocoelomates? They contain a bony skeleton. 
 
Which of the followin...
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BIO 205 Practice Test Questions and Correct Answers
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Symmetry of sponges? Asymetrical 
Sponge class with limestone spicules calcarea 
Sponge class with glass spicules hexactinellida 
Sponge class with 6 pointed spicules hexactinellida 
Sponge class with spongin demospongiae 
Sponge body form with choanoderm in the spongocoel asconoid 
Sponge form with choanocyte chambers leuconoid 
Sponge body form that can have porocytes or dermal pores syconoid 
Cells on the outside of a sponge exopinacocytes 
What cells make sperm in sponges? choanocytes 
What ...
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Bio 117 exam 2 quiz with 100% correct solutions
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Bio 117 exam 2 quiz with 100% correct solutions 
Which of the following is NOT a characteristic of ALL animals? 
A. 
Heterotrophic 
B. 
Together, they form a monophyletic group. 
C. 
Multicellular organisms 
D. 
Cells lacking cell walls. 
E. 
All animals have true tissues and organs. - Correct Answer ️️ -All animals have true 
tissues and organs. 
Which of the following are characteristics of Phylum Cnidaria? (Select All that Apply) 
A. 
Specialized stinging cells 
B. 
True Tissues 
C. 
Comp...
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BIOL 198 Module 7 Exam Questions With 100% Correct Answers
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BIOL 198 Module 7 Exam Questions 
With 100% Correct Answers 
Identify the characteristics that distinguish animals from other types of organisms. - 
answerMulticellular 
Heterotrophic 
Motile 
Reproduce sexually 
Use aerobic metabolism 
Lack cell walls 
Have life cycles that include development from undifferentiated cells 
Have a variety of body plans 
Distinguish between asymmetry, radial symmetry, and bilateral symmetry. - 
answerAsymmetry: no particular organization 
Radial symmetry: Circular...
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BIO 182 LAB FINAL EXAM 2024
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Distinguish Characteristics - 
 
Phylum Porifera Characteristics - - sponges 
- considered the basal animal 
- sessile animals 
- lack true tissues 
-filter feeders 
-hermaphrodites 
 
phylum Cnidaria characteristics - - have true tissues 
-gastrovascular cavity 
-ring of tentacles with cnidocytes to capture prey 
- polys and medusa 
 
phylum Platyhelminthes - flatworms 
-dorsoventrally flattened bodies 
- Flat shape increases surface area for nutrient, gas, and waste exchange 
- Found in mar...
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CSCC Bio 1114 Exam 3 Questions and Answers Graded A 2024
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Phylum of Parazoa and etc - Porifera = pore bearing = sponges with no tissues 
Sessile adults, mostly marine 
Asymmetrical or Radial symmetry 
 
Sponge morphology voacb - spongocel, choanocytes, mesohyl, amoebocytes 
 
Spongocel, osculum, ostium - central cavity of the sponge, large opening, pores 
 
choanocytes - collared cells; flagellated, line the spongocel and beat in unison and move water towards the top osculum; water goes in through the pores with food that may or may not be good to eat ...
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BIO 205 Actual final Exam Practice Questions with Approved Marking Scheme 2024
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BIO 205 Actual final Exam Practice Questions with Approved Marking Scheme 2024 
What type of development takes place in sponges in internal fertilization? - correct answer amphiblastula larva 
 
Asexual reproduction in sponges - correct answer fragmentation, budding, gemmules (archeocytes gather in the mesophyll and each archeocyte undergoes mitosis which is then surrounded by trophocytes. The archeocytes egult the trophocytes and then are surrounded by tough spongin. They have micropyle. 
 
Wha...
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WSU Biology 106 Exam 3 Questions With 100% Verified Answers.
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WSU Biology 106 Exam 3 Questions With 
100% Verified Answers. 
Arthropods - answerPhyla with greatest amount of diversity with 85% of animal spp 
700 million years ago - answerWhen the first animals originated 
Porifera (sponges) - answerPhyla with no tissues, muscles, nerves, or specialized organs 
Choanocytes - answerFlow of water and food acquisition in sponges 
Amoebocytes - answerFound in sponges, these cells are mobile and perform numerous 
functions, including reproduction, transport of f...
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WSU Biology 106 Exam 3 >> Questions and Answers Updated | 2024
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WSU Biology 106 Exam 3 >> Questions and Answers Updated | 2024 
 
 
 
 
 
Spongocoel	the large central cavity of sponges. 
 
water enters the spongocoel through tiny pores called ostia and it exits through the large opening called the osculum. 
 
spongocoel is lined with choanocytes which help to create a current in the water. 
Spicule	structural elements found in most sponges. They provide structural support and deter predators. 
 
Large ones are called megascleres while microscopic ones...
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BIO 1030 Midterm Practice Questions with Correct Answers
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Heterotrophic Protists? Are a paraphyletic grouping of organisms 
Which combinations of phylum and description are correct? -Echinodermata: bilateral symmetrical larvae and pentaradially symmetrical adult -Nematoda: pseudocoelomates with both parasitic and free living representatives -Cnidaria: radially symmetrical with cnidocytes -Platyhelminthes: parasitic and free-living acoelomates 
Which characteristics are found in all chordates: -notochord: structural support, skeleton, -dorsal, hollow ne...
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