Answer:
Plants have evolved several adaptations to life on land, including embryo retention, a cuticle, stomata, and vascular tissue.
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The brain's suprachiasmatic nucleus regulates the body's circadian rhythms. The suprachiasmatic nucleus is a minute region of the brain located in the hypothalamus above the optic chiasm, the circadian rhythm is the 24-hour cycle of organisms, related to sunlight and temperature.
