Metazoa Guides d'étude, Notes de cours & Résumés

Be familiar with the common characteristics of animals. - 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? gametic What is the most likely ancestor of animals? choanoflagellates What are the 3 major feat...

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...

Describe the worldwide disease burden concerning parasitic infections. What infection has by far the largest burden? correct answers There are 2 major groups of parasites. What are they? correct answers True or False? Protozoa are microscopic single celled bugs & Metazoa are macroscopic multicellular organisms correct answers True Concerning Protozoa infection, disease may be caused directly or by the host response. True or False. correct answers True. Disease may be caused directly (...

Biology 1108 Exam 3 Questions and Answers (Latest Update) 120 Questions | Graded A+. Alpine - Correct Answers Similar to Tundra, Lacks permafrost, Budding - Correct Answers Form of asexual reproduction in which a bud/protrusion forms on an organism and eventually breaks off to form a new organism that is smaller than its parent. Fragmentation - Correct Answers A type of asexual reproduction in which one organism is broken into pieces, each of which develops into a new individual Partheno...

Biology 1108 Exam 3 Questions and Answers (Latest Update) 120 Questions | Graded A+. Alpine - Correct Answers Similar to Tundra, Lacks permafrost, Budding - Correct Answers Form of asexual reproduction in which a bud/protrusion forms on an organism and eventually breaks off to form a new organism that is smaller than its parent. Fragmentation - Correct Answers A type of asexual reproduction in which one organism is broken into pieces, each of which develops into a new individual Partheno...

WSU Biology 106 Exam 3 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES |ALREADY GRADED A+ Arthropods - ANSWER- Phyla with greatest amount of diversity with 85% of animal spp 700 million years ago - ANSWER- When the first animals originated Porifera (sponges) - ANSWER- Phyla with no tissues, muscles, nerves, or specialized organs Choanocytes - ANSWER- Flow of water and food acquisition in sponges Amoebocytes - ANSWER- Found in sponges, these cells are mobile and perform numer...

Define epidemiology study of distribution and determinants of health and disease in human populations What is the principal science of public health? Epidemiology Discuss the factors of the person-place-time model -Person (who; demographics, disease status) -Place (where; geo locations, climate, politics) -Time (when) What is descriptive epidemiology? -Study of the amount and distribution of disease -Used by public health professionals -Identified patterns frequently indicate possible causes ...

NSG 221 FINALScreening program - correct answer -conducted by community health nurses -guidelines: -screen for conditions in which early detection and treatment can improve disease outcome and quality of life - screen populations that have risk factors or are more susceptible to the disease - select a screening method that is simple, safe, inexpensive to administer, acceptable to clients, and has acceptable sensitivity and specificity - plan for the timely referral and follow-up of...

Pre-Lab 7: Introduction to Metazoa (Score: Question 1. Study the phylogeny of animals in figure 7.3. Where are humans on this phylogeny? What are the defining features of the phylum to which humans belong? Humans are on the chordata. The defining features are notochord, dorsal hollow nerve chord, and post-anal tail. Question 2. Study the phylogeny of animals in figure 7.3. What feature of the phylogeny supports the fact that deep relationships among animals remain unresolved? Polytomy:sho...

Artificial cross-fertilization - Answer- removing anthers from a flower and introducing pollen of the desired type with a small brush Pure-breeding strains - Answer- strains that consistently produce the same phenotype Took Mendel two years to prepare his P1 (Parental) generation - Answer- The original parents F1 (Filial) generation - Answer- offspring of the P generation Replicate crosses - Answer- repeat each cross several times Reciprocal crosses - Answer- The same genotypes...