Hydrozoa 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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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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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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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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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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Kingdom Animalia: Porifera, Cnidaria, Platyhelminthes, Nematoda Exam Questions and Answers
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Phylum Porifera - ANSWER simple, sessile (permanently attached to one location) sponges; no tissues, organs, mouth or digestive cavity; filter feeders: flagellated collar cells line the large internal cavity and draw water into the sponge (food particles are strained out of the water current by the collar cells which pass food to other sponge cells); acolemate (no colon); no symmetry; most are marine 
 
Phylum Cnidaria - ANSWER class hydrozoa, class scyphozoa, class anthozoa; jellyfish, sea anem...
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BROOKS BIODIVERSITY UNIT 3 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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BROOKS BIODIVERSITY UNIT 3 EXAM | 
QUESTIONS & ANSWERS (VERIFIED) | 
LATEST UPDATE | GRADED A+ 
Plants Architecture 
Correct Answer: Plant needs 
i. collection & conversion of solar energy -> leaves 
ii. positioning & support of leaves -> stems 
iii. anchorage & absorption -> roots 
iv. transport -> vascular system 
Leaf Structure 
Correct Answer: Epidermis, Mesophyll, and Vein (Vascular Bundle) 
Epidermis contains what? 
Correct Answer: - Cuticle 
- Guard cells with Stomata 
...
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Campbell Biology: Chapter 33 Test Preparation
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A sponge's structural materials (spicules, spongin) are manufactured by theHow many of the following can be observed in the mesohyl of various undisturbed sponges at one time or another?Which chemical is synthesized by some sponges and acts as an antibiotic? A) streptomycin B) spongin C) calcium carbonate D) silica E) cribrostatinIn terms of food capture, which sponge cell is most similar to the cnidocyte of a cnidarian? A) amoebocyte B) choanocyte C) epidermal cell D) pore cellSponges are most...
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class Hydrozoa
- Essay • 6 pages • 2023
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Test Bank For Zoology Campbell Biology 8th Edition
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Test Bank For Zoology Campbell Biology 
8th Edition 
1) Which cells in a sponge are primarily responsible for trapping and removing food 
particles from circulating water? A) choanocytes B) mesoglea cells C) pore cells 
(porocytes) D) epidermal cells - CORRECT ANSWER-A Topic: Concept 33.1 
Knowledge/Comprehension 2) Which of the following is correctly associated with 
sponges? A) osculum B) body cavity C) cnidocytes D) spicules made of chitin E) muscle 
cells and nerve cells - CORRECT ANSWE...
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