Cephalization Study guides, Class notes & Summaries

BIOL 198 Module 7 Exam Questions With 100% Correct Answers Identify the characteristics that distinguish animals from other types of organisms. - answerMulticellular 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. - answerAsymmetry: no particular organization Radial symmetry: Circular...

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 ...

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/...

Which of the following is (are) unique to animals? A) the structural carbohydrate, chitin B) nervous and muscular tissue C) heterotrophy D) gametes Ans: B) nervous and muscular tissue What do all deuterostomes have in common? A) Adults are bilaterally symmetrical. B) Embryos have pharyngeal pouches that may or may not form gill slits. C) All have a spinal column. D) The pore (blastopore) formed during gastrulation becomes the anus. Ans: D) The pore (blastopore) formed during gastrul...

Acquired immunity - Develops after exposure to microbes, toxins, and/or foreign substances Active Immunity - Microbe introduced into the body to stimulate a response to a certain disease Adaptive Radiation - Divergence of a group into species adapted to many ecological niches Adrenal Gland - Regulate hormones of Fight or flight Alimentary system - System involved in the acquisition of nutrients from food Alimentary System - System involved in the acquisition of nutrients from food Ametabol...

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...

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...

The last common ancestor of all animals was probably a ____. a. unicellular chytrid b. unicellular yeast c. multicellular algae d. multicellular fungus e. flagellated protist - Answer-d. multicellular fungus What synapamorphy distinguishes animals as a monophyletic group, distinct from choanoflagellates? a. sexual reproduction b. heterotrophy c. multicellularity d. no cell walls - Answer-c. multicellularity The evolution of animal species has been prolific. Much of this diversity is a...

abiotic - Answer-nonliving: referring to physical and chemical properties of an environment biotic - Answer-pertaining to the living organisms in the environment catabolism - Answer-releases energy by breaking down complex molecules to simpler molecules anabolism - Answer-consumes energy to synthesize a complex molecule from simpler compounds metabolism - Answer-the totality of an organism's chemical reactions, consisting of catabolic and anabolic pathways, which manage the material and en...

Notochord - ANSWER A rod of tough, flexible material that runs the length of a creature's body, providing the majority of its support and attachment sites for muscles. Is replaced by the backbone in vertebrates. pharyngeal gill slits - ANSWER Slits open to the outside from the pharynx. Function in filter feeding in invertebrates and are adapted as Eustachian tubes and middle ear bones in higher vertebrates. dorsal nerve cord - ANSWER A single nerve cord found in vertebrates. Invertebrates...