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Review Name the 3 ways in which plants adapted to life on land? How are plants today classified? What are the two life cycles of plants? Nonvascular Plants Bryophytes Botanists have identified about 16,000 species. They lack vascular tissue and do not form true roots, stems, and leaves. These plants usually grow on land near streams and rivers. Very small usually 1-2cm in height Need water to reproduce because the sperm must swim through water to an egg. The asexually reproduce of haploid spores does not require water. Phylum Bryophyta Thick green carpets of moss on shady forest actually consist of thousands of moss gametophytes. Each gametophyte is attached to the soil by root like structures called rhizoids. Less than 3 cm tall. The moss sporophyte grows up from the the top of the gametophyte. Phylum Hepatophyta Liverworts, unusual-looking plants that grow in moist, shady areas. Have a thalloid form- that is, a flat body with distinguishable upper and lower surfaces. Phylum Anthocerophyta Hornworts, refers to the thin hornlike sporophyte that grow from the top of the plant