Porifera Study guides, Class notes & Summaries

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...

Identify the characteristics that distinguish animals from other types of organisms. - Answer-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. - Answer-Asymmetry: no particular organization Radial symmetry: Circularly organized. If cut in half vertically, the halves will loo...

1. Phylum Porifera - Answer-- sponges - loosely organized and lack tissues - multicellular with several types of cells - 8,000 species, mostly marine - no apparent symmetry - adults sessile, larvae free-swimming - water drawn through pores into spongocoel - flows out through osculum - choanocytes line spongocoel - mesohyl between choanocytes and epithelial cells - reproduce sexually and asexually 10. Phylum Nematoda - Answer-- roundwomrs - in nearly all habitats - over 20,000 specie...

Phylogeny - Answer-Classification of organisms according to evolutionary relationships. Taxonomy - Answer-Evolutionary classification Linnaean system of classification (taxonomy) - Answer-Domain> Kingdom> Phylum> Class> Order> Family> Genus> Species (Did King Phillip Come Over For Grandma's Soup) [ex. Homo sapien](italicized) Phylogeny relationships - Answer-Basal Group: Branch from oldest common ancestor, no other branch from species. Sister Taxa: Share common ance...

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...

Principles of Biology (Biol 198) Exam Questions And Answers (Updated And Verified) _____ is a type of connective tissue and _____ is a type of epithelial tissue. - answerBone; lining of the digestive tract What is the top side of a vertebrate and other bilateral organisms? - answerDorsal side What is the bottom side of a vertebrate and other bilateral organisms? - answerVentral side Germ layer on the outside layer of the body. Forms skin and nervous system (nerves). - answerEctoderm The...

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

Principles of Biology (Biol 198) Exam Questions And Answers (Updated And Verified) _____ is a type of connective tissue and _____ is a type of epithelial tissue. - answerBone; lining of the digestive tract What is the top side of a vertebrate and other bilateral organisms? - answerDorsal side What is the bottom side of a vertebrate and other bilateral organisms? - answerVentral side Germ layer on the outside layer of the body. Forms skin and nervous system (nerves). - answerEctoderm The...

USABO Phylogeny Exam Questions and Answers All Correct Chytridiomycota (chytrids) - Answer-flagellated spores; fungi Zygomycota (zygomycetes) - Answer-resistant zygosporangium as sexual stage; fungi Glomeromycota (arbuscular mycorrhizal fungi) - Answer-arbuscular mycorrhizae formed with plants Ascomycota (ascomycetes) - Answer-sexual spores (ascospores) borne internally in sacs called asci; vast numbers of asexual spores (conidia) produced; fungi Basidiomycota (basidiomycetes) - An...

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...