What are deuterostomes - Study guides, Class notes & Summaries

Bio 242 Exam 3: Chordates Questions with Answers 2024 What are Chordate general characteristics? - ️️ -Eucoelomate Bilateral Symmetry Deuterostomes Chordate functional homologies (4) - ️️ -Notochord Pharyngeal gill slits Dorsal, hollow, single nerve cord Post-anal tail Homology in chordates. A flexible rod running posteriorly from the head to the tail. It acts as an attachment site for muscles and a support structure that can bend. It consists of a large fluid-filled cells enc...

What was one of the innovations of the Reptilia? A) Being able to live outside of water. B) Producing a waterproof egg. C) Powered flight. D) Producing a spinal cord. E) Producing pharyngeal gill slits. B) Producing a waterproof egg. Which of the following statements about mammals is most accurate? A) Mammals were the first to evolve a post-anal tail. B) The Monotremes are egg-laying mammals. C) Among the Chordata, mammals are the only ones to not have pharyngeal gill slits. D) All mammals are ...

CVA exam 1 Question and answers already passed 2023 synapomorphy vs apomorphy vs pleisiomorphy - correct answer -synapomorphy=an apomorphy shared by members of a monophyletic group (present in most recent common ancestor) -apomorphy=derived trait -pleisiomorphy=ancestral trait similarities and differences between vertebrates and echinoderms - correct answer both are deuterostomes, but vertebrates are bilaterally symmetrical and have all chordate and vertebrate characteristics ...

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...

DAT Biology exam #1 with answer explanation All of the following statements are part of modern cell theory EXCEPT one. Which one is the EXCEPTION? A. An organism's activity is dependent on the activity of its independent cells. B. Metabolism and biochemistry occur within cells. C. Hereditary information is stored in cells and is shared between cells during cell division. D. All cells contain a nucleus for the storage of genetic material. E. All cells in organisms of similar spec...

ENWC exam 1 McCarthy When wildlife biologists first began studying wildlife what did they start with and what did they shift their focus to? - Answer- At first wildlife biologists wanted to figure out how to increase populations of game species but as time went on other species came into focus _____ can have a broad array of meanings and it really depends on context of conversation. A broad definition is all non-domesticated plants, animal, and other organisms. The Merriam-webster definit...

Albumin - ANS Family of globular proteins that are the most common protein found in blood plasma. It binds water, cations, fatty acids. Main function is to regulate osmotic pressure of the blood Chymotrypsin - ANS Is a digestive enzyme that is secreted by the duodenum. Breaks down proteins and polypeptides. Tyrosinase - ANS rate-limiting enzyme for controlling the production of melanin. Dynein - ANS is known as a "motor protein." used in chromosomal...

comparative morphology looking at anatomical characters (for example eyes, lungs, bones, etc) and seeing what is shared and what differs in what ways can anatomical characters differ? 1) function 2) form 3) genetic aspects (evolutionary history) homologous structures structures that share a common ancestry (ex: forelimbs in tetrapods) analogous structures structures that share a similar (and precise) function (ex: bat wings + bird wings, woodpecker tongue + aye aye f...

USC BISC 120 Final Exam Trond Sigurdsen What is the largest group of deuterostomes? - Answer- chordates Chordates are mostly vertebraes or invertebrates? Primitive chordates have this structure - Answer- They are mostly vertebrates but there are some primitive forms with a notochord What are the three types of chordates? - Answer- vertebrates, lancelets, tunicates What is the amphioxus? - Answer- a lancelet These two are the simplest chordates - Answer- lancelets and tunicates ...

The lineage Chordata includes three subgroups which are? correct answers Two invertebrate subgroups: Urochordata, Cephalochordata; and the subgroup Vertebrata. Vertebrata are also known as? correct answers Craniata What are two subgroups of Vertebrata? correct answers Agnatha-Jawless Vertebrates Gnathostomata-Jawed Vertebrates What are the 4 anatomical features that characterize the lineage Chordata? correct answers Chordates are deuterostomes with four unique characteristics which app...