Her fascination for her subject is infectious, whether she is elucidating the distinction
between xylem and phloem, or enthusing over the lettuce - like ruffles of a photosynthesizing sea slug.
Not exact matches
There are major differences
between hardwoods (oak, ash, maple) and conifers (redwood, pine, spruce, fir) in the structure of
xylem.
Fossilized slices of a 374 - million - year - old tree reveal a hollow core surrounded by numerous bundles of woody strands called
xylem (the larger black spots), with soft tissue (in gray)
between.