= 6 points __ separation method mentioned (2 points) __ separation method discussed (3 points) __ pigment composition __ pigment function __ molecular characteristics of pigments PLANT SYSTEMS QUESTION 1983: L. PETERSON/ECHS Relate the structure of an angiosperm leaf to each of the following: a) Adaptations for photosynthesis and food storage b) Adaptations for food translocation and water transport c) Specialized adaptations to a desert environment STANDARDS: PART A __ Cuticle transparent to allow light in __ Palisade Parenchyma - site of photosynthesis __ Spongy Parenchyma - site of photosynthesis __ Altered leaf shape + Photosynthetic efficiency __ Stoma controls passage of gas and water __ Turgor pressure controls guard cell behavior PART B __ Xxlem transports water to leaf tissue __ Phloem transports "food" from leaf tissue to sink __ Bulk-mass flow mechanism of phloem movement __ Transpiration defined PART C __ Small leaves __ Altered stoma behavior __ Specialized physiology (4C) __ Details of oxaloacetate PLANT SYSTEMS QUESTION 1984: L. PETERSON/ECHS Define the following plant responses and explain the mechanism of control for each.
(6 points __ separation method; mentioned; 2 points; separation method discussed (3 points) __ pigment composition __ pigment function __ molecular characteristics of pigments) (PART B __ Xxlem; transports; water; to leaf tissue __ Phloem transports "food" from leaf tissue) Context(PART B __ Xxlem transports,List([748, 774))):(PART B __ Xxlem; transports water to leaf; tissue __ Phloem transports "food" from leaf tissue) (__ Specialized physiology; explain; the mechanism of control for each) (separation method; discussed; ) (Stoma; controls; passage of gas and water) (Turgor pressure; controls; guard cell behavior PART B __ Xxlem transports water)
PART B __ Xxlem transports,List([748, 774))
6 points __ separation method PART B __ Xxlem PART B __ Xxlem __ Specialized physiology separation method Stoma Turgor pressure
mentioned transports transports water to leaf explain discussed controls controls
2 points separation method discussed (3 points) __ pigment composition __ pigment function __ molecular characteristics of pigments
water to leaf tissue __ Phloem transports "food" from leaf tissue
tissue __ Phloem transports "food" from leaf tissue
the mechanism of control for each
passage of gas and water
guard cell behavior PART B __ Xxlem transports water