A matrix with only one row is called a ________ matrix, and a matrix with only one column is called a ________ matrix.
Study Guide 1 1. Which Phylum has jointed feet 2. What kind of circulatory system does anthropoda have 3. Describe the developmental stage of insecta. 4. In Phylum Echinodermata, what kind of symmetry does adults and larvae have 5. Name 4 key features of Chordata. 6. What are the subgroups of subphylum craniata 7. What are 3 adaptations that aquatic animals nee for terrestrial life 8. Define endothermic 9. Key characteristics of mammalia 10. What are the 4 ways hormones communicate 11. Descibe the hormone control pattern 12. What 3 things protect the brain 13. Function of the hindbrain. 14. Sympathetic v. parasympathetic 15. What animal does not have a nervous system. 16. Define resting potential. 17. Define Action potential. 18. What is Multiple Sclerosis 19. When does communication between neurons occur 20. Glutamate, dopamine, and seratonin are types of what Answers: 1. Anthopoda 2. Open 3. larvae, pupa, adult 4. Adults: radial; larvae: bilateral 5. 1. notochord, 2. dorsal , hollow chord, 3. postanal tails, 4. gills 6. Hagfish and vertebrae 7. Respiration, gravity, water loss 8. Warm-blooded 9. Sweat glands, mammary glands, hair 10. Direct, synaptic, paracrine, endocrine 11. Release hormone, transport to target, hormones bind to receptor protein, target cell responds. 12. Bones, cerebrospinal fluid, blood-brain barrier. 13. Regulates automatic functions. 14. Sympathetic: fight or flight ; Parasympathetic: rest and digest 15. Sponge 16. Difference in pos. and neg. charges 17. A brief positive charge that travels down an axon relying on diffusion of Na+ and K+ 18. An incureable disease in whick axons are demyelinated and axons fail to transmit potentials. 19. At synapses 20. Neurotransmitters