What role does lignin play in a plant's adaptation to life on land?
A. It anchors the plant in the soil to allow plants to grow tall.
B. It helps transport nutrients throughout the plant.
C. It prevents drying out.
D. It strengthens the cell wall to allow plants to stand up straight and tall.
Answer: D
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What statement below characterizes pigments’ function?
a. They absorb some photons. b. They reflect all photons. c. They absorb photons of all colors. d. They absorb photons of all wavelengths. e. They absorb ultraviolet wavelengths.
The boreal forest biome does not contain deciduous trees
____________________ Indicate whether the statement is true or false.
What is the average length of M phase?
a) about a day b) 4 hours and 35 minutes c) about 10 minutes d) about 10 hours e) about 1 hour
An organism that contains foreign DNA, which was inserted into its own genetic material, is called
A) polygenic. B) transgenic. C) foreign. D) electrophoresed.