Sieve tubes and companion cells are components of_______

Answer:

Sieve tubes and companion cells are components of Phloem.

Phloem is a complex permanent plant tissue. It is made up of sieve tubes, companion cells, phloem fibres, and phloem parenchyma. It helps in the transportation of the food prepared by leaves to various plant parts. Furthermore, it can transport food in upward as well as downward direction.

Similarities between sieve tubes and companion cells

Below are the similarities between the two:

  • Both are two different types of cells that are found on the phloem of angiosperms.
  • Transportation of food throughout the plant is done by these two cells.
  • Both the cells have an elongated shape.
  • Both the cells emerge from the meristem.

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