Coelom Study guides, Class notes & Summaries

Bio 117 exam 2 quiz all answers correct 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. ️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. Complete ...

Which of the following statements about the excretory system of annelids is false? A. As coelomic fluid passes through tubules, its composition is modified through reabsorption and secretion by tubule cells. B. Each segment has two metanephridia. C. Under pressure, blood is filtered across capillary walls into the coelom. D. Ammonia diffuses directly from tissues into the coelom. E. Pressure from the closed circulatory system forces coelomic fluid into the metanephridia. correct answers E. ...

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...

Biology (Bio 198) KSU FINAL Exam Questions & Revised Correct Answers. Guarantee Pass!! Identify the characteristics that generally distinguish animals from other organisms - ANSWER : - symmetry - primary germ layer - coelom - segmentation - cephalization Radial symmetry - ANSWER : longitudinal (up and down), in some stages of life. Any plane cut along this up-down axis produces roughly mirror image halves. Bilateral symmetry - ANSWER : has lower and upper sides, but no ...

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...

Vertebrate Ancestors: 'Chordate' Origins, 'Vertebrae and 'Cephalization Who are the vertebrates? How many species? - "animals with backbones" - phylum chordata: --> notochord, segmentation, jointed appendages (via deutersotome development and endoskeleton, derived from coelom, body cavity and bilateral symmetry) - subphylum craniata --> have no column hyperoterti (notochord) - roughly 45'000 species - infraphylum vertebrata --> 42'000 species (5% life - less diverse/...

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...

Eukaryotic cells evolved when an ancestral host cell, probably a ____________ formed a mutualistic, endosymbiotic relationship with ______________ - Answer-Archaean; an alphaprotobacteria Snowball Earth Hypothesis suggests the hardened, spiny exoskeleton evolved as a result of: - AnswerRelease of calcium after global glaciations You find a colony of single celled organisms that are living (thriving and reproducing) in an extreme environment, such as an alkaline or reducing environment. Which...

PA: Veriform - ANSWER_worm-shaped form PA: Metamerism - ANSWER_segmentation PA: Segmentation of Phylum Annelida - ANSWER_Homonymous with metameres=segments -essentially repeated morphologically -segmented heart PA: Setae - ANSWER_chaetae -locomotion -found on parapodia PA: Parapodia - ANSWER_appendages found on the side for movement PA: Circulatory System - ANSWER_-Closed -Hemoglobin -Some have green blood while some don't have any pigment PA: Coelom - ANSWER_bigges...

PA: Veriform -ANSWER_ worm-shaped form PA: Metamerism -ANSWER_ segmentation PA: Segmentation of Phylum Annelida -ANSWER_ Homonymous with metameres=segments -essentially repeated morphologically -segmented heart PA: Setae -ANSWER_ chaetae -locomotion -found on parapodia PA: Parapodia -ANSWER_ appendages found on the side for movement PA: Circulatory System -ANSWER_ -Closed -Hemoglobin -Some have green blood while some don't have any pigment PA: Coelom -ANSWER_ bigges...