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Plants contain toxins which protect them from herbivores, but some caterpillars have evolved countermeasures which enable them to eat the leaves of such toxic plants. In addition to being unaffected by the poison, the caterpillars sequester it in their body, making them highly toxic to predators. The chemicals are also carried on into the adult ...
Purifying bacteria, protozoa, and rotifers must either be mixed throughout the water or have the water circulated past them to be effective. Sewage treatment plants mix these organisms as activated sludge or circulate water past organisms living on trickling filters or rotating biological contactors. [5]
Gonimbrasia belina is a species of emperor moth which is native to the warmer parts of southern Africa.Its large edible caterpillar, known as the mopane worm, madora, amacimbi “pigeon moth”, masonja or Seboko sa Mongana, feeds primarily but not exclusively on mopane tree leaves.
Krill feeding in a high phytoplankton concentration (slowed by a factor of 12). Filter feeders are aquatic animals that acquire nutrients by feeding on organic matters, food particles or smaller organisms (bacteria, microalgae and zooplanktons) suspended in water, typically by having the water pass over or through a specialized filtering organ that sieves out and/or traps solids.
In purple bacteria the major pigments include bacteriochlorophyll a and b and carotenoids. Green bacteria have different light harvesting pigments consisting of bacteriochlorophyll c, d and e. [1] These organisms do not produce oxygen through photosynthesis or use water as a reducing agent.
Utricularia, commonly and collectively called the bladderworts, is a genus of carnivorous plants consisting of approximately 233 species (precise counts differ based on classification opinions; a 2001 publication lists 215 species). [1] They occur in fresh water and wet soil as terrestrial or aquatic species across every continent except ...
The one-inch puss caterpillar is named for its cute cat-like. It is currently peak season for the puss caterpillars, and even though they usually live at a safe distance high up on tree branches ...
Algae ranges from single floating cells to attached seaweeds, while vascular plants are represented in the ocean by groups such as the seagrasses and the mangroves. Larger producers, such as seagrasses and seaweeds , are mostly confined to the littoral zone and shallow waters, where they attach to the underlying substrate and are still within ...