Porifera Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Porifera? On this page you'll find 204 study documents about Porifera.
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SOES1006 || with Error-free Solutions.
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Mollusca, Arthropoda, Chordata, Echinodermata, Cnidaria, Porifera correct answers Phyla found in the rocky intertidal 
 
By size: macrofauna are larger than 1mm and meifauna are less than 1mm correct answers How do scientists define macrofauna and meiofauna? 
 
Chlorophyta (green), rhodophyta (reds), phaeophyta (browns - fucoids and kelps) correct answers The 3 different divisions of macroalgae found on rocky shores 
 
Primary producers (micro and macroalgae), grazers (limpets, periwinkles, urch...
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WSU BIOLOGY 106 EXAM 3 QUESTIONS WITH CORRECT ANSWERS
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Arthropods CORRECT ANSWER Phyla with greatest amount of diversity with 85% of animal spp 
 
700 million years ago CORRECT ANSWER When the first animals originated 
 
Porifera (sponges) CORRECT ANSWER Phyla with no tissues, muscles, nerves, or specialized organs 
 
Choanocytes CORRECT ANSWER Flow of water and food acquisition in sponges 
 
Amoebocytes CORRECT ANSWER Found in sponges, these cells are mobile and perform numerous functions, including reproduction, transport of food particles to nonf...
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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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BIOL2204 Midsemester Exam | 55 Questions with 100% Correct Answers | Verified | Latest Update 2024
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What is the working definition of an animal? - Animals are multicellular eukaryotes that are 
heterotrophic and undergo a blastula stage 
Two problems associated with morphological classification? - 
1. Convergent evolution 
2. Minor mutations 
Why was the organism found in the 90s labelled as a bivalve mollusc? - Because it was consuming 
bivalve eggs and had traces of their DNA in its gut. 
What are some problems with molecular sequencing? - 
1. Differences in mitochondrial and nuclear DNA 
...
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NST1502_ASSIGNMENT_1.
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NST1502_ASSIGNMENT_1. Detailed working, solutions, memo, notes & explanations. CONTENTS 
Introduction ............................................................................................................................................................ 2 
Question 1 .............................................................................................................................................................. 2 
1.1.1. Scientific method ...........................................
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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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Invert zoo lab prac 1 questions and answers
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asconoid sponges - ANSWER-have a simple vase-like structure with a single osculum, 
limited in size because an increase in volume without a corresponding increase in 
surface area of choanocytes ( make up majority of sponges) 
syconoid sponge - ANSWER-Tubular body and a single osculum, the choanocyte layer 
is folded back and forth to make canals 
leuconoid sponges - ANSWER-more complex design, no real atrium, several small 
flagellated chambers instead in which choanocytes are, most adaptive an...
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Bio 121 - Lab 6 exam (100% correct and graded A+)
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Grantia Characteristics - Eukaryotic 
Heterotrophic 
Multicellular 
Grantia Classification - Domain: Eukarya 
Kingdom: Animalia 
Subkingdom: Parazoa 
Phylum Porifera 
Common Name: Sponge 
Grantia Habitat - -Coastline of the North Atlantic 
-Intertidal regions 
Grantia Energy/Food Source - -Spongocoel - internal cavity lined with flagellated cells - beating of 
flagella draws water, fine organic particles & tiny organisms (bacteria) into the spongocoel through tiny 
pores of the body wall 
-Food ...
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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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BIO 181 NCSU Unit 3 Review – Biodiversity, Exam Questions and answers. 100% Accurate. VERIFIED.
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BIO 181 NCSU Unit 3 Review – 
Biodiversity, Exam Questions and 
answers. 100% Accurate. VERIFIED. 
Intracellular digestion - -type of digestion in which food is digested inside specialized cells that pass 
nutrients to other cells by diffusion 
Extracellular digestion - -type of digestion in which food is broken down outside the cells in a 
digestive system and then absorbed 
Germ Layers - -ectoderm, mesoderm, endoderm 
Endoskeleton - -- under epidermis 
- increased mobility 
Exoskeleton - ...
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