What is the difference between xylem and phloem?

Plants have two different types of transport tissue.Xylem transports water and solutes from the roots to the leaves, phloem transports food from the leaves to the rest of the plant.

An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.

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