Check the Weather in Israel in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall. The Israel january weather guide shown below is for Jerusalem. 1  13Â°C max day temperature.
Xylem cells are elongated cells with lignified secondary thickening of the cell walls. Xylem cells are specialised for conduction of water, and first appeared in plants during their transition to land in the Silurian period more than 425 million years ago (see Cooksonia). The possession of xylem defines the vascular plants or Tracheophytes.
Â· just now. Report Abuse. Xylem and phloem are both permanent tissues of plants (i.e. they are formed by specialisation of merstimatic cells) Xylem:- This tissue is responsible for the conduction of water and minerals along the plant body.75% of it is non living 2.Its flow is unidirectional i.e. vertically from the roots to other parts 3. just now. Report Abuse. Xylem and phloem are both permanent tissues of plants (i.e. they are formed by specialisation of merstimatic cells) Xylem:- This tissue is responsible for the conduction of water and minerals along the plant body.75% of it is non living 2.