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Posted in it's literally just biology Posted 5 years ago

Late/summer wood - thick walls → transport water less, greater support

Posted in it's literally just biology Posted 5 years ago

Early/spring wood - large diameters, thin cell walls → max delivery of water to leaves

Posted in it's literally just biology Posted 5 years ago

Each new layer of secondary xylem (wood) has larger circumference - walls are lignified

Posted in it's literally just biology Posted 5 years ago

Perpendicular initials (short) → vascular rays (parenchyma cells, connect secondary xylem and phloem), move water/nutrients between the two layers, store carbs, wound repair

Posted in it's literally just biology Posted 5 years ago

Parallel initials elongate → tracheids, vessel elements, fibers (xylem) + sieve-tube elements, companion cells, parenchyma, fibers (phloem)

Posted in it's literally just biology Posted 5 years ago

Vascular cambium - cylinder of meristem, between primary xylem and phloem

Posted in it's literally just biology Posted 5 years ago

secondary growth occurs in older regions of stems and roots of all gymnosperms and most eudicots

Posted in it's literally just biology Posted 5 years ago

all right I passed out last night but I'M BACK BITCHES.......

Posted in Share a random fact about yourself Posted 5 years ago

@Alexis: ahhhHH? you pixeled his hair so good, im dying thank you a blessed day
lil tyson pixel is really cute too....

and YEAH what a mood honestly... my favorite is spamming side+B with princess peach ADLFKJF


thanks for trading!

Posted in it's literally just biology Posted 5 years ago

Leaf veins are enclosed by protective bundle sheath - regulates movement of substances between vascular tissue and mesophyll

Posted in it's literally just biology Posted 5 years ago

Eudicots - palisade (upper, elongated parenchyma) and spongy (lower, air spaces for gas circulation)

Posted in it's literally just biology Posted 5 years ago

Mesophyll - leaf ground tissue. Parenchyma cells (photosynthesis)

Posted in it's literally just biology Posted 5 years ago

Guard cells (epidermal) regulate opening/closing of stomata pore on leaf epidermis