COVERAGE-FOR-1ST-MASTERY.pdf

LYCEUM OF ALABANG INC.INC. Characteristics of Life LYCEUM OF ALABANG INC.INC. What is life?  LYCEUM OF ALABANG INC.INC. Characteristics of Living Things 1. Living things have complex, organized structure.  LYCEUM OF ALABANG INC.INC. 2. Living things respond to stimuli. Present also in...

LYCEUM OF ALABANG INC.INC. Characteristics of Life LYCEUM OF ALABANG INC.INC. What is life?  LYCEUM OF ALABANG INC.INC. Characteristics of Living Things 1. Living things have complex, organized structure.  LYCEUM OF ALABANG INC.INC. 2. Living things respond to stimuli. Present also in the skin layer is the hair follicles and also various forms of skin receptors and glands. a. Pacinian Corpuscle – Deep pressure b. Meissner’s Corpuscle – Touch c. Ruffini’s End Organ – Heat  LYCEUM OF ALABANG INC.INC. d. Krause’s Bulb – Cold e. Bare Nerve Endings – Pain Sweat gland Sebaceous Gland - (Secretes oil)  LYCEUM OF ALABANG INC.INC. 3. Living things maintain their complex structure and their internal environment - homeostasis (stay the same). Ex. body temperature, blood sugar  LYCEUM OF ALABANG INC.INC. Homeostasis. All living things maintain relatively constant internal conditions, different from their environment.  LYCEUM OF ALABANG INC.INC. 4. Living things acquire and use materials and energy from their environment and convert them into different forms - metabolism (meta-change). sun llight energy -(photosynthesis)-> chemical energy Photosynthesis 6CO2 + 6H2O + light C6H12O6 + 6O2 ATP - adenosine triphosphate decomposer - detritivores