plant: nutrition, defense, hormones Flashcards
what is a major source of plant nutrition?
photosynthesis because of the inorganic molecules are macronutrients
Why do plants need flexible adaptations to their environment?
Because they are unable to move from their location
What is a characteristic of plans that allows the flexible development at the nodes?
modularity 
what is the procambium In a plant generator tissue called?
Phloem or xylem
where does the embryo grow due to the apical meristem at the top of the shoot?
upward
when the embryo develops leaves this allows what to produce during photosynthesis?
carbohydrates
What type of growth for apple trees have due to vascular cambium?
secondary growth
what does secondary growth produce towards the inside of the plant?
xylem is produce during secondary growth towards the inside of the plant
what is produced towards the outside of the plant during secondary growth?
Phloem is produce towards the outside of the plant during secondary growth
What specific type of tissue makes up the source of tissue cells for all wood?
tracheids
what are spongy mesophyll?
-made up of ground tissue
- have space for gas exchange
- allow for evaporation
what are the cells that surround the nerves angiosperm phloem cells?
- they are called companion cells
- they are required as philemon cells are specialized and cannot survive alone
- have plasmodesmata
what are ground tissue?
includes cells that provide structural support like collenchyma
what is a precursor to tissue which differentiates into root hairs?
protoderm
linen is an example of …?
sclerenchyma