Vascular and nonvascular organisms in the plant kingdom use photosynthesis to get nutrients.
All plants make use of photosynthesis to get food.
Vascular plants have vascular tissues such as xylem, phloem, etc. while non-vascular plants are devoid of vascular tissues.
Vascular tissues are used to conduct water (xylem) and manufactured foods (phloem) around the body of plants.
Lower plants have other means (such as diffusion and pseudo-vascular tissues) to conduct materials around their own bodies.
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