🌱 Environment & EcologyUPSC 2024Sustainable Development

Consider the following:1. Carabid beetles2. Centipedes3. Flies4. Termites5. Wasps Parasitoid species are found in how many of the above kind of organisms?

aOnly two
bOnly three
cOnly four
dAll five
✓ Correct answer: b) Only three
ExplanationMany animals are predators, parasites or parasitoids, using other animals as food.They use a great diversity of hunting strategies and behaviours to capture or feed on their prey.Inver- tebrate predators, parasites and parasitoids play an important role in keeping many animal populations under control.Parasitoid is an insect whose larvae feed and develop within or on the bodies of other arthropods.Each parasitoid larva develops on a single individual and eventually kills that host.Most parasitoids are wasps, but some flies and a small number of beetles (carabid beetles), moths, lacewings, and even one caddisfly species have evolved to be parasitoids.Parasitoids alone number about 68,000 named species, and most have yet to be named and described.Predator: They are organisms that capture and eat another (the prey).This act is called predation.The predatory invertebrates include scorpions, centipedes, predatory mites, predatory snails and slugs, nematodes and planarian worms.Detritivores: Termites are detritivores that eat dead and decaying organic matter like logs of wo

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