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Pollen accumulates on the feathers of a little wattlebird (Antho-chaera chrysoptera) sipping nectar
Pollen accumulates on the feathers of a little wattlebird (Antho-chaera chrysoptera) sipping nectar from a torch lily (Kniphofia uvaria).
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Aphid and High Fluid Pressure
Honeydew exuding from an aphid after the insect s mouthparts penetrated a sieve tube High pressure in phloem forced this droplet of sugar-rich fluid out through the terminal opening of ...
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Water-conserving structures in a transverse section of pincushion leaf (Hakea laurina)
Water-conserving structures in a transverse section of pincushion leaf Hakea laurina In this species leaf guard cells are recessed beneath a ledge of cuticle The ledge creates a small cup ...
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Leaves of sugar maples (Acer saccharum)
Native to the north-eastern U S and Canada change color and drop from the trees in September The trees remain dormant throughout winter when prolonged cold would otherwise damage tender ...
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