Porifera Study guides, Class notes & Summaries
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TAMU BIOLOGY 112 EXAM #3 Questions and Answers 100% Pass
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TAMU BIOLOGY 112 EXAM #3 
Questions and Answers 100% Pass 
Select the TRUE statement about animal development: 
A.) Deuterostome development is indeterminate. 
B.) Mesoderm in protostomes arises as outpocketings of the primitive gut. 
C.) Radial cleavage is characteristic of protostome development. 
D) In deuterostomes, the blastopore ultimately becomes the mouth of the adult. 
E) All of the above are true. - Answer- Deuterostome development is indeterminate. 
During embryogenesis of diploblasti...
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BIOL 198 Module 7 Objectives with Complete Solutions
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BIOL 198 Module 7 Objectives with 
 
Complete Solutions 
 
Identify the characteristics that distinguish animals from other types of organisms. 
Multicellular 
 
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. Asymmetry: no 
particular organization 
Radial symmetry: Circularly organized...
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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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Life 103 Final Exam CSU (exam 1-3) Graded A Q&A Complete
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Phylogeny - Classification of organisms according to evolutionary relationships. 
Taxonomy - Evolutionary classification 
Linnaean system of classification (taxonomy) - Domain> Kingdom> Phylum> Class> Order> Family> 
Genus> Species 
(Did King Phillip Come Over For Grandma's Soup) 
[ex. Homo sapien](italicized) 
Phylogeny relationships - Basal Group: Branch from oldest common ancestor, no other branch 
from species. 
Sister Taxa: Share common ancestor 
Homologies - Comparing...
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Zoology: Exam 3 Prep questions and answers
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invertebrates - ANSWER-animals that lack a backbone and account for over 95% 
of known animal species 
blue dragon (Glaucus atlanticus) - ANSWER-an invertebrate animal 
true or false: expect for sponges (and a few others), all animals are 
Eumetazoans - ANSWER-true 
animal phylum - ANSWER-1. Porifera 
2. Cnidaria 
3. Ctenophora 
4. Platyhelminthes 
5. Nematoda 
6. Annelida 
7. Mollusca 
8. Arthropoda 
9. Echinodermata 
10. Chordata 
filter feed (sponges) - ANSWER-filter out food particles suspen...
And that's how you make extra money
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Bio 120 - Exam 1 Questions with Correct Answers Graded A+
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Bio 120 - Exam 1 Questions with 
Correct Answers Graded A+ 
Synapomorphy A shared derived character or trait state that distinguishes a clade from the 
other organisms. 
Analagous Having characteristics that are similar because of convergent evolution, not 
homology. 
Homologous Similarity in characteristics resulting from a shared ancestry. 
Porifera Sponges 
No true tissues 
Mostly marine, aquatic 
Asymmetric 
2 germ layers (endoderm and ectoderm) 
No coelom 
Sessile
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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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BIO 151 Lab Exam #1 questions and answers
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BIO 151 Lab Exam #1 questions and 
answers 
Porifera - answer-sponges 
Cnidaria - answer-jellyfish, corals, sea anemones 
Platyhelminthes - answer-flatworms, tapeworms, flukes 
Annelida - answer-Segmented worms, earthworms; anus and mouth; closed 
circulatory system; nervous system; setae-bristle appendages 
Mollusca - answer-(snails, clams, squids, octopuses) have a soft body that in 
many species is protected by a hard shell 
Arthopoda - answer-Insects: bilaterally symmetric; exoskeleton; segm...
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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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Science Bowl Taxonomy with Complete Solutions
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Science Bowl Taxonomy with Complete 
 
Solutions 
 
Taxons in order Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species 
 
Domains Eukarya, Bacteria, Archaea 
 
Domain: Eukarya 
Kingdoms: Protista, Plantae, Fungi, Animalia 
 
Domain: Archaea 
 
Kingdom: Archaebacteria 
 
Domain: Bacteria 
 
Kingdom: Eubacteria 
 
Domain: Eukarya 
Kingdom: Animalia 
 
Phylum: Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, 
Echinodermata, Chordata 
 
Phylum: 
Species: Huma...
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