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Elodea leaf cell with numerous chloroplasts. LM X1000.

Elodea leaf cell with numerous chloroplasts. LM X1000.

Corn cells - leaf cell (green) and vein

Corn cells - leaf cell (green) and vein

Surface of a tomato leaf by Ken Bart

Surface of a tomato leaf by Ken Bart

Stinging hairs on a nettle leaf.

Stinging hairs on a nettle leaf.

Microscopic image of Tomato Leaf

Microscopic image of Tomato Leaf

trees grow scissor cells [red] that slowly "cut" the leaves off in fall (cool!)

trees grow scissor cells [red] that slowly "cut" the leaves off in fall (cool!)

"Walking Leaf" insect ~ from the Walking Stick family of insects.

"Walking Leaf" insect ~ from the Walking Stick family of insects.

This is a juvenile form of the Cereal leaf beetle (Oulema melanopus) after being parasitized by Tetrastichus julis, a parasitoid wasp which lays its eggs inside the larva of the beetle. The eggs hatch within the larvae and begin to feed while it is still alive, before they burst out and kill it.  These parasites are often used as a biological control, as the Cereal leaf beetle is considered a pest and regularly feeds on crops.    Nobody ever said nature was nice.

This is a juvenile form of the Cereal leaf beetle (Oulema melanopus) after being parasitized by Tetrastichus julis, a parasitoid wasp which lays its eggs inside the larva of the beetle. The eggs hatch within the larvae and begin to feed while it is still alive, before they burst out and kill it. These parasites are often used as a biological control, as the Cereal leaf beetle is considered a pest and regularly feeds on crops. Nobody ever said nature was nice.

B-cell

B-cell

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