Hachi's posts

Posted in it's literally just biology Posted 7 years ago

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Indeterminate growth - perpetually dividing, unspecialized tissues (meristems) → new cells

Posted in it's literally just biology Posted 7 years ago

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Pith (internal to vascular tissue), cortex (external to vascular tissue)

Posted in it's literally just biology Posted 7 years ago

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Ground tissue - storage, photosynthesis, support, short-distance transport

Posted in it's literally just biology Posted 7 years ago

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Root/stem vascular system = stele. Arrangement can be cylinder or bundle

Posted in it's literally just biology Posted 7 years ago

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Xylem (conducts water/minerals upward from roots) + phloem (transports sugars)

Posted in it's literally just biology Posted 7 years ago

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Vascular - facilitate transport of materials, mechanical support

Posted in it's literally just biology Posted 7 years ago

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In shoots - guard cells do gas exchange. Trichomes reduce water loss, reflect excess light, defend against insects

Posted in it's literally just biology Posted 7 years ago

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Epidermis (nonwoody), cuticle (waxy, on leaves/stems), periderm (woody plants)

Posted in it's literally just biology Posted 7 years ago

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Dermal - outer protective covering, protects against pathogens and water loss

Posted in it's literally just biology Posted 7 years ago

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Tissue systems (dermal, vascular, ground) connect plant organs

Posted in it's literally just biology Posted 7 years ago

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WAS ANYONE GONNA TELL ME THAT ONIONS ARE LEAVES OR WAS I SUPPOSED TO--

Posted in it's literally just biology Posted 7 years ago

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Simple (single blade) or compound (multiple leaflets, withstand wind/pathogens)

Posted in it's literally just biology Posted 7 years ago

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Parallel or branched (major vein = midrib) veins

Posted in it's literally just biology Posted 7 years ago

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Monocots lack petioles - base of leaf forms sheath around the stem