Lichens represent a symbiotic association between a fungus and a plant
Indicate whether the statement is true or false
FALSE
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Achondroplasia ____
a. is inherited as an autosomal recessive condition b. affects about one in one million people c. affects only homozygotes d. is characterized by abnormally short arms and legs
e. is inherited as an X-linked disorderAdventitious shoots that sprout from shallow lateral roots are called ____
a. grafts b. pericyle extensions c. stem fragments d. cuttings e. suckers
The sporophyte generation
a. is essential for a flowering plant to complete its life cycle. b. is the dominant generation in the lower plants. c. is microscopic in the flowering plants. d. produces sperm and egg cells. e. is the only generation in higher plants.
Which statement about the internal biological clock is not true:a
is known as a circadian rhythm. b. is related to the opening and closing of stomata. c. includes the sleep movements observed in some plants, such as beans. d. may involve both phytochrome and cryptochrome. e. disappears abruptly if it is not reset by the rising and setting sun.