Tell us how animals are adapted to active nutrition. For example, consider feeding a fly or mosquito

Many animals, for example, mosquitoes, flies, spend a significant part of their life in the air. They have wings, with their help they are able to fly in the air in search of food. Mosquitoes feed on nectar and plant juices, but in many species the female mouthparts are adapted to pierce the skin of host animals to suck their blood (ectoparasitism). In some species, the female must obtain nutrients from the victim’s blood before she can produce eggs, while in many other species, after feeding the blood, the females acquire the ability to produce more eggs. Both food sources in the form of sugars (carbohydrates) are a source of energy for the mosquito. Flies can only absorb liquid food, for solids they pre-dissolve it in saliva

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