... nitrite to form nitrate that can be used by plants.Unlike cyanobacteria that use the sun's energy to create oxygen, chemoautotrophs use energy stored in chemical bonds to synthesize certain carbohydrates. 6. Non-vascular plants are those that lack vascular tissue. These plants evolved to better adapt to surrounding terrestrial environment. Some of these adaptations include the development of a cuticle, stoma, vascular ... ...

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• Grade Level: High School