mod 3 qs

Question 1

similarities between xylem and phloem

Answer 1

made up of cells which are joined end to end

xylem vessels and phloem sieve tube elements have no nuclei

both made up of more than one cell type

Question 2

difference between xylem and phloem

Answer 2

phloem has no lignified walls
xylem walls are lignified

phloem has sieve plates
xylem has no sieve playes

phloem has companion cells
xylem has no companion cells

xylem has bordered pits
phloem has no pits