BSC 1005 Lecture Notes - Lecture 20: Circulatory System, Thermostat, Homeostasis
Document Summary
Vascular plant carries sugar and proteins to stem and roots: spores (no seeds, naked seeds, enclosed seeds. Fruits nonvascular plant no leaves, stems or roots. Thc bred to have high or low level turgor pressure pressure exerted by the central vacuole bilateral created two image mirror radial multpile planes of symmetry heterotroph cannot create own food autotroph creates own food. Echinoderms water based vascular system static pressure gives rigid body form homeostasis the ability to maintain internal equlilbruim despite external changes negative/postive feedback neg: Thermostat that turns off a heater when room temperature rises to the set point pros: Results of a process intensify that same process kidney filter blood composed of wastes and extra fluid nephron carry out the functions of the urinary system consist of a tubule and its associated blood vessels. Gi tract alimentary canal two openings: mouth, anus specialized regions:
