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Monarch butterfly caterpillar on milkweed plant. Milkweeds use three primary defenses to limit damage caused by caterpillars: hairs on the leaves, car
Monarch butterfly caterpillar on milkweed plant. Milkweeds use three primary defenses to limit damage caused by caterpillars: hairs on the leaves, cardenolide toxins, and latex fluids, but Monarchs have evolved to remain unaffected by these defenses. Cardenolide toxins sequestered during the Monarch's larval stage from feeding on the plant remains in the adult, making it unpalatable to predators.
The fungus Penicillium chrysogenum. It produces penicillin, a compound which kills bacteria.
The fungus Penicillium chrysogenum. It produces penicillin, a compound which kills bacteria.
A spicule found on the surface of a sponge. Sponges who produce more secondary metabolites produce fewer spicules.
A spicule found on the surface of a sponge. Sponges who produce more secondary metabolites produce fewer spicules.
Sea hares employ phagomimicry as a form of chemical defense.
Sea hares employ phagomimicry as a form of chemical defense.
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Sponge
Sponge
Sponge biodiversity and morphotypes at the lip of a wall site in 60 feet (20 m) of water. Included are the yellow tube sponge, Aplysina fistularis, th
Sponge biodiversity and morphotypes at the lip of a wall site in 60 feet (20 m) of water. Included are the yellow tube sponge, Aplysina fistularis, the purple vase sponge, Niphates digitalis, the red encrusting sponge, Spirastrella coccinea, and the gray rope sponge, Callyspongia sp.
Spongia officinalis, "the kitchen sponge", is dark grey when alive.
Spongia officinalis, "the kitchen sponge", is dark grey when alive.
Euplectella aspergillum, a glass sponge known as "Venus' flower basket"
Euplectella aspergillum, a glass sponge known as "Venus' flower basket"