Cnidocytes Study guides, Class notes & Summaries
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TAMU Biology 112 Lab Practical 2 Exam Questions and Answers 100% Pass
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TAMU Biology 112 Lab Practical 2 Exam 
Questions and Answers 100% Pass 
Phylum Porifera - Answer- No true tissues 
Asymmetrical symmetry 
Taxa: 
-Silicea (glass sponges) 
-Calcarea (rest of sponges) 
Osculum - Answer- Water exit in sponges 
Spicules - Answer- -Skeletal components of sponges made of silica, calcite or spongin 
-Produced by amoebocytes 
Choanocytes - Answer- Spong's filter-feeding cells 
Phylum Cnidaria - Answer- Diploblastic 
Radially symmetrical 
Cnidocytes 
Classes: 
-Anthozoa...
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TAMU Biology 112 Lab Practical 2 Exam Questions and Answers 100% Pass
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TAMU Biology 112 Lab Practical 2 Exam 
Questions and Answers 100% Pass 
Phylum Porifera - Answer- No true tissues 
Asymmetrical symmetry 
Taxa: 
-Silicea (glass sponges) 
-Calcarea (rest of sponges) 
Osculum - Answer- Water exit in sponges 
Spicules - Answer- -Skeletal components of sponges made of silica, calcite or spongin 
-Produced by amoebocytes 
Choanocytes - Answer- Spong's filter-feeding cells 
Phylum Cnidaria - Answer- Diploblastic 
Radially symmetrical 
Cnidocytes 
Classes: 
-Anthozoa...
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Biology 1108 Exam 3 Questions and Answers Latest Update | 120 Questions | Graded A+
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Biology 1108 Exam 3 Questions and Answers (Latest Update) 120 Questions | Graded A+. Alpine - Correct Answers Similar to Tundra, Lacks permafrost, 
Budding - Correct Answers Form of asexual reproduction in which a 
bud/protrusion forms on an organism and eventually breaks off to form a 
new organism that is smaller than its parent. 
Fragmentation - Correct Answers A type of asexual reproduction in which 
one organism is broken into pieces, each of which develops into a new 
individual 
Partheno...
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Biology Lab 1106 Baylor University Exam 3 QUESTIONS AND VERIFIED ANSWERS 2023.
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Biology Lab 1106 Baylor 
University Exam 3 
QUESTIONS AND VERIFIED 
ANSWERS 2023. 
1. Phylum Porifera (sponges): asymmetrical 
lack true tissues 
have unique cells called CHOANOCYTES (flagellated cells that will draw in water 
and filter food particles) 
Genus: Grantia, Spongia, Euplectella 
2. Phylum Porifera 
Genus Grantia: isolated spicules 
walls of sponges contain amoebocytes and crystallized structures called spicules 
incurrent canals and flagellated canals 
3. Phylum Porifera 
Genus Spon...
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Zoology Cnidaria Quiz with correct answers
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Cnidaria - ANSWER-What phylum are jellyfish in? 
Needle-like - ANSWER-What does cnidaria mean? 
Aquatic - ANSWER-What environment does cnidaria live in? 
Radial - ANSWER-What symmetry are cnidarians? 
sperm and eggs, gametes - ANSWER-How does a cnidaria reproduce? 
Scyphozoa - ANSWER-jellyfish class 
Hydrozoa - ANSWER-Example Portuguese man-of-war class 
Cubozoa - ANSWER-box jellyfish class 
Anthezoa - ANSWER-flower animal class 
Staurozoa - ANSWER-stalked jellyfish class 
Diffusion - ANSWER-How...
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USABO Biosystematics Final Exam Questions 2024.
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USABO Biosystematics Final Exam Questions 2024. 
Calcarea, Silicea (sponges) - ANSWER Lack true tissues; have choanocytes (collar cells-flagellated cells that ingest bacteria and tiny food particles) 
 
Cnidaria (hydras, jellies, sea anemones, corals) - ANSWER Unique stinging structures (nematocysts) housed in special cells (cnidocytes); diploblastic, radially symmetrical, gastrovascular cavity 
 
Plathyhelminthes - ANSWER Dorsoventrally flattened, unsegmented acoelomates; gastrovascular cavity ...
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Biology Lab 1106 Baylor University Exam 3 with 100% correct answers
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Phylum Porifera (sponges) 
asymmetrical 
lack true tissues 
have unique cells called CHOANOCYTES (flagellated cells that will draw in water and filter food particles) 
 
Genus: Grantia, Spongia, Euplectella 
 
 
 
Phylum Porifera 
Genus Grantia 
isolated spicules 
walls of sponges contain amoebocytes and crystallized structures called spicules 
incurrent canals and flagellated canals 
 
 
 
 
 
 
00:00 
 
01:22 
Phylum Porifera 
Genus Spongia 
have spongin fibers that are more flexible 
live spe...
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Marine Science Latest Update with Verified Solutions
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Marine Science Latest Update with Verified Solutions Aggregations Random fish in the same location, such as fish feeding in the same area of a kelp forest or coral reef 
Annelids A large phylum that contains many types of worms, including marine worms 
Cnidaria(cnidarians) Invertebrate species that were among the earliest multicellular life to have on earth. This group shares the common feature of "cnidocytes). 
Cnidocytes venomous, stinging cells present on all of the species called "cnidaria...
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Animal Kingdom-Phylum Cnidaria Exam Questions and Answers
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Sister group of Cnidaria - ANSWER Ctenophora 
 
About how many species in phylum cnidaria - ANSWER 9000 
 
Cnidarias are dated over... - ANSWER 580 million years ago 
 
4 classes of cnidarians - ANSWER Hydrozoa, Scyphozoa, Cubozoa, Anthozoa 
 
Cnidarians contain specialized cells no other animals have which is - ANSWER cnidocytes-typically housing stinging organelles called namatocysts 
 
Cnidarians are all aquatic and mostly - ANSWER marine 
 
What kind of symmetry do cnidarians have? - ANSWER ...
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USABO Biosystematics Final Exam Questions With Correct Answers 2024.
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USABO Biosystematics Final Exam Questions With Correct Answers 2024. 
Calcarea, Silicea (sponges) - ANSWER Lack true tissues; have choanocytes (collar cells-flagellated cells that ingest bacteria and tiny food particles) 
 
Cnidaria (hydras, jellies, sea anemones, corals) - ANSWER Unique stinging structures (nematocysts) housed in special cells (cnidocytes); diploblastic, radially symmetrical, gastrovascular cavity 
 
Plathyhelminthes - ANSWER Dorsoventrally flattened, unsegmented acoelomates; ...
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