Radial symmetry - Study guides, Class notes & Summaries

life in the sea exam questions & answers 2024/2025 Echinoderms - ANSWERS(Spiny skin) sea stars, sea urchins, brittle stars, sand dollars, sea cucumbers, crinoids pentamerous radial symmetry - ANSWERSthe body can be divided into 5 equal parts, so any one of five "slices" taken out of the organism would be equal. "sea stars, sand dollars, and sea urchins" Echinoderm larvae - ANSWERShave bilateral symmetry echinoderm adult - ANSWERSpentaradial symmetry Calcareous internal skel...

earthworms, sea worms, and leeches segmented worms planarians, flukes, and tapeworms flatworms jellyfish, sea anemones, and hydras coelenterates animals characterized by spiny skin and radial symmetry echinoderms euglenas, amoebas, and paramecia protozoa microscopic multicellular invertebrates named for the rotating appearance of the cilia on their front ends rotifers

Scientists hypothesize that vertebrate jaws evolved from: a. Vertebrae b. Gill arches c. Teeth d. Scales e. Skin correct answers b Which of the following is not a unifying feature of all chordates? a. Cranium b. Notochord c. Post-anal tail d. Pharyngeal gill slits (or pouches) correct answers a Which feature is unique to the echinoderm lineage? a. Water vascular system b. Radial symmetry c. Endoskeleton d. Exoskeleton correct answers a Which vertebrate has jaws with movable...

earthworms, sea worms, and leeches segmented worms planarians, flukes, and tapeworms flatworms jellyfish, sea anemones, and hydras coelenterates animals characterized by spiny skin and radial symmetry echinoderms euglenas, amoebas, and paramecia protozoa microscopic multicellular invertebrates named for the rotating appearance of the cilia on their front ends rotifers what consists of stacks of flattened, membrane-enclosed compartments and is the shipping center of a cell? Golgi apparatu...

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 featu...

Biology 1023, BRCC Aluko, Final Exam Study Guide Rated A+ Which radioactive element, starting as Uranium-238, becomes stable as Lead-206 after numerous decay events? Uranium, Lead What is the estimated age of the Earth? 4-5 billion years Miller and Urey simulated the formation of organic molecules by replicating a primitive Earth atmosphere containing which gases: water vapor, hydrogen, methane, and ammonia? Hydrogen, Methane, Ammonia What scientific field explores the evolu...

BIO 182 Exam 4 Review – Test Questions & All Accurate Answers (Rated A+) BIO 182 Exam 4 Review – Test Questions & All Accurate Answers (Rated A+) What are some common characteristics of animals? - ANSWER - multicellular heterotrophs lack of cell walls nervous tissue sexual reproduction Hox genes What life cycle does all animal show? - ANSWER - gametic What are the likely ancestors of animals? - ANSWER - chaonoflagellates protists What are 3 major features to classify animals...

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...

Levels of Animal Organizationkingdom, phylum, class, order, family, genus, species Taxonomyscience of classification Systematicsstudy of the diversity of life and the evolutionary relationships between organisms Example of Taxonomy (Spider)Kingdom- Animalia Phylum- Arthropoda Class- Arachnida Order- Araneae Family- Araneidae Genus- Argiope Species- argentata Common name for spiderGolden orb-web weaver Families always end with..."dae" Order always ends with..."eae" Cellular Level-every...

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...