Dorsal hollow nerve cord Study guides, Class notes & Summaries

What do organisms in the phylum Chordata vary from? correct answers From small worm like animals to humans. All members of the phylum Chordata have what characteristics in common? correct answers A notochord(flexible supporting rod), a dorsal, hollow nerve cord, pharyngeal gill slits, and a post-anal tail. How how are these characteristics presented? correct answers These characteristics may not be obvious, or they may even be absent in some stages of the life history, but all are present ...

HESI A2 VERSION 3 ANATOMY AND PHYSIOLOGY QUESTIONS AND ANSWERS 1. Anatomic position The body is erect, the feet are slightly apart, the head is held high, and the palms of the hands are facing forward 2. Which of the following is a structure found in the upper respiratory? Pharynx 3. A person who has damage to their ulnar nerve will have decreases sensation in Arm 4. Which bone dose not articulate with any other bone? Hyoid 5. Which of the following statements best describe endocri...

If a toxin that disrupted microtubule function, what is most likely to be affected? - Answer-Anaphase Where are lysosomes produced? - Answer-Golgi What is the function of a lysosome? - Answer-Contains digestive enzymes for breaking down nutrients, cell debris, and bacteria What is the functional equivalent of the lysosome in plants? - Answer-Central vacuole What are 4 possible places were microfilaments can be found? - Answer-1. Muscle cells 2. Pseudopod of amoeba 3. Cleavage furro...

Zoology CORRECT ANSWER The branch of biology that deals with animals and animal life. Includes structure, behavior, physiology, development and classification of animals Hemichordates CORRECT ANSWER Acorn worms and pterobranchs. Have gill pores, dorsal hollow nerve cord, notochord, buccal diverticulum, open circulatory system and unique glomerulus. Classes enteropreusta and pterobranchia Chordates CORRECT ANSWER Have a notochord, a dorsal hollow nerve cord, post-anal tail and pharynx with ...

PAIN MANAGEMENT NURSING Exam 187 Questions with Verified Answers Pain - CORRECT ANSWER An unpleasant sensory and emotional experience associated with actual or potential tissue damage. Types of pain - CORRECT ANSWER Acute Pain Chronic Pain Cancer - Related Pain Acute pain - CORRECT ANSWER •Injury - pain(split second to 6 mos.) ,subsides as healing occurs Acute Pain (2) - CORRECT ANSWER REPORTED •TREATMENT NEEDED - crying - rubbing area - holding area - focusing on the pain...

All chordates must have these structures at some time in their development correct answers notochord, dorsal tubular nerve cord, pharyngeal pouches or slits, and post-anal tail notochord correct answers a stiff, but flexible rod of connective tissue extending lengthwise and dorsal to the digestive tract; is an axis for muscle attachment; in higher vertebrates it is converted in the adult to the vertebral column dorsal tubular nerve cor correct answers anterior end becomes brain, the rest i...

4 Characteristics of Phylum Chordata correct answers Notochord, Dorsal tubular nerve cord, Pharyngeal gill slits, Postanal tail Notochord correct answers gives phylum chordata its name, is present in all embryos, and may be present or absent/reduced in adults. Dorsal tubular nerve cord correct answers A dorsal, hollow, ectodermal nerve cord typically forms by an infolding of the ectoderm tissue, which then pinches off and becomes surrounded by mesoderm Pharyngeal gill slits correct answ...

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 nume...

The advantage of yeast cells over bacterial cells to express human proteins is that: -CORRECT ANSWER-- yeast cells are eukaryotic and modify proteins similarly to human cells Which of the following is a change that might have facilitated the move of aquatic plants onto land? a) desire for protection from herbivory b) protection from desiccation c) ability to survive with lower [CO2] d) adaptation to seasons e) ability to grow tall -CORRECT ANSWER-- ability to survive with lower CO2 Br...

5 Chordate Characteristics 1. notochord 2. dorsal, hollow nerve cord 3. pharyngeal SLITS 4. subpharyngeal organ 5. postanal tail 7 Categories KPCOFGS (example of taxa: how groups are arranged in a hierarchy) Homologous structures inheritied through common ancestor. same function different look: forelimb and fin Homoplasty Features that look alike, but have different ancestry: bat and bee wing Anterior ahead/before