Several species of passion-flower (Passiflora) and cruciferous plants (Streptanthus) decrease their attractiveness to ovipositing female butterflies (thus reducing predation from butterfly larvae) by producing pigmented callosities that mimic the eggs of those insects. Prior to ovipositing, females visually assess the egg load on individual host plants, avoiding parts that are already “occupied.” Removal of the egg mimics significantly increases the probability of an oviposition relative to similar, intact plants.
An-active-trap-of-the-sundew-Sensitive-tentacles-topped-withAn active trap of the sundew (Drosera capensis). Sensitive tentacles topped with red …[Credits : © Thomas C. Boyden]
Passive-traps-of-the-slender-pitcher-plant-The-leaf-bladePassive traps of the slender pitcher plant (Nepenthes gracilis). The leaf blade narrows into …[Credits : © Robert and Linda Mitchell]
The-labellum-of-the-mirror-ophrys-The-colouring-so-closelyThe labellum of the mirror ophrys (Ophrys speculum). The colouring so closely resembles that …[Credits : E.S. Ross]
An anglerfish (order Lophiiformes) luring and capturing prey.[Credits : Encyclopædia Britannica, Inc.]
Some fishes have adapted unusual structures and behaviours to catch prey and to avoid becoming prey.[Credits : Encyclopædia Britannica, Inc.]
Leaf katydids (subfamily Pseudophyllinae) precisely mimic the form of leaves. The green leaf …[Credits : Encyclopædia Britannica, Inc.]
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