Porifera - Study guides, Class notes & Summaries

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 Sessile Attached direc...

Phylum Porifera - No true tissues Asymmetrical symmetry Taxa: -Silicea (glass sponges) -Calcarea (rest of sponges) Osculum - Water exit in sponges Spicules - -Skeletal components of sponges made of silica, calcite or spongin -Produced by amoebocytes Choanocytes - Spong's filter-feeding cells

Porifera - correct answer -the phylum of sponges asymmetrical ectothermic sessile Cnidaria - correct answer -Phylum of Jelly fish and coral exothermic radial symmetry Platyhelminthes - correct answer -Phylum of flatworms Bilateral parasitic hermaphroditic Nematoda - correct answer -Phylum of roundworms Annelida - correct answer -phylum of segmented worms: sand worms, earthworms, leeches bilateral symmetry hermaphrodites Mollusca - correct answer -(snails, clams, squids...

_____ is a type of connective tissue and _____ is a type of epithelial tissue. Bone; lining of the digestive tract What is the top side of a vertebrate and other bilateral organisms? Dorsal side What is the bottom side of a vertebrate and other bilateral organisms? Ventral side Germ layer on the outside layer of the body. Forms skin and nervous system (nerves). Ectoderm The middle germ layer. Mostly muscle and bones. Mesoderm The inner germ layer. Forms intestines and other internal organs....

ASVAB General Science, asvab, asvab general science Test 2024 Mnemonic for classification - ANSWER King Philip Came Over From Germany Soaked 3 unicellular kingdoms - ANSWER archaebacteria, eubacteria, Protista 3 multicellular kingdoms - ANSWER fungi, plantae, animalia Unicellular kingdom that has nucleus and organelles - ANSWER Protista 10 animal phyla - ANSWER porifera, cnidaria, platyhelminthes, nematoda, rotifera, annelida, mollusca, arthropoda, echinodermata, chordate 3 muscle types...

Mnemonic for classification - King Philip Came Over From Germany Soaked 3 unicellular kingdoms - archaebacteria, eubacteria, Protista 3 multicellular kingdoms - fungi, plantae, animalia Unicellular kingdom that has nucleus and organelles - Protista 10 animal phyla - porifera, cnidaria, platyhelminthes, nematoda, rotifera, annelida, mollusca, arthropoda, echinodermata, chordate 3 muscle types - cardiac, skeletal, smooth Organ that regulates excretion - kidney Site where nutrients are abso...

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...

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...

Be familiar with the common characteristics of animals. - Answer - Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory structures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? - Answer gametic What is the most likely ancestor of animals? - Answer choanoflag...

Mnemonic for classification - King Philip Came Over From Germany Soaked 3 unicellular kingdoms - archaebacteria, eubacteria, Protista 3 multicellular kingdoms - fungi, plantae, animalia Unicellular kingdom that has nucleus and organelles - Protista 10 animal phyla - porifera, cnidaria, platyhelminthes, nematoda, rotifera, annelida, mollusca, arthropoda, echinodermata, chordate 3 muscle types - cardiac, skeletal, smooth Organ that regulates excretion - kidney Site where nutrients are abso...