The value of photosynthetically active radiation above which no further increase in photosynthesis occurs is referred to as
A) photoinhibition.
B) chlorophyll compensation.
C) the light compensation point.
D) the light saturation point.
D
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In order to conserve H2O, land plants will close stomata to minimize transpiration, but closing stomata lowers CO2 concentration in the leaf. Drought thus __________ because __________
A. lowers photosynthesis; photorespiration increases B. lowers photorespiration; photosynthesis increases C. lowers photosynthesis; H2O is not available D. increases photosynthesis; photorespiration increases E. increases photosynthesis; CO2 increases
The osmoreceptors that detect and react to dehydration are located in the ____
a. hypothalamus b. adrenal glands c. efferent arteriole d. kidneys e. posterior pituitary
Deterioration of body systems, tissue, and functions:
a. sexually transmitted diseases b. allergies and inflammatory diseases c. degenerative diseases d. metabolic diseases
Evolution, dictionary definition
What will be an ideal response?