what is the root cap?
tip of the root
what is the main function of stems?
to support plant leaves and reproductive structures
what is the main function of leaves?
photosynthesis
what does the xylem tissue do?
a tissue that conveys water and dissolved minerals from the roots to the rest of the plant
what does the phloem tissue do?
moves sugars from the leaves to the rest of the plant
what is in the inner boundary of the cortex?
endodermis
what stems stores food?
tuber, corm, bulb
what attaches to the stem on a leaf?
blade
what plants is the xylem tissue found?
all vascular plants
what is the phloem composed of?
various specialized cells called sieve tubes, companion cells, phloem fibres, and phloem parenchyma cells
what is below the epidermal layer?
cortex
what type of stem stores food and reproduces asexually?
rihzomes
what is transpiration?
when water evaporates from the inside of the leaf to the outside through stomata
xylem tracheary elements consist of?
tracheids and vessel
what is the structure of the phloem?
thin walled sieve tubes
what layer covers the root?
the epidermal layer
what causes stems to be longer?
cells produced by the apical meristem
what is below the palisade mesophyll?
spongy mesophyll
xylem tissue also features fibre cells for?
support and parenchyma
what are Sieve tubes?
thin wall cels
what layer is next to the endodermis?
pericycle
what causes annual rings?
production of xylem and phloem
two ways to use leaves to identify plants
arrangement of leaves ad veins
when does xylem formation begin
when the actively dividing cells of growing root and shoot tips give rise to primary xylem.
what does the Sieve tube do?
A tube through which food is conducted