Question

15 балов. Укажите черты приспособленности к образу жизни утки Выберите один или несколько ответов: a. пуховая прослойка b. острое зрение c. удлиненная шея d. копчиковая железа e. короткий крючкообразный клюв f. пальцы имеют плавательную перепонку

Answer 1

Копчиковая железа - выделяет маслянистое вещество, чтобы не намокали перья

удлиненная шея - доставать пищу из воды

перепонки на пальцах - большая площадь соприкосновения с водой, чтобы утка могла быстро плыть

Answer 2

#### Adaptations of Ducks to their Lifestyle Ducks have several adaptations that enable them to thrive in their specific lifestyle. Let's explore some of these adaptations: **a. Puff layer**: Ducks have a layer of down feathers that provides insulation and helps them stay warm in cold water. This puff layer helps to keep their bodies dry and maintain their body temperature [[1]]. **b. Sharp vision**: Ducks have excellent eyesight, allowing them to spot potential predators or food from a distance. Their eyes are positioned on the sides of their heads, providing them with a wide field of view [[2]]. **c. Elongated neck**: Ducks have elongated necks that allow them to reach underwater to feed on aquatic plants, insects, and small aquatic animals. This adaptation helps them access food sources that are not easily reachable by other birds [[3]]. **d. Uropygial gland (oil gland)**: Ducks have a specialized gland called the uropygial gland, located near the base of their tail. This gland produces oil that ducks spread over their feathers during preening. The oil helps to waterproof their feathers, keeping them buoyant and providing insulation against the cold water [[4]]. **e. Short, hook-shaped beak**: Ducks have short, hook-shaped beaks that are well-suited for their feeding habits. They use their beaks to filter small organisms and plant matter from the water, as well as to catch insects and other prey [[5]]. **f. Webbed feet**: Ducks have webbed feet with specialized skin between their toes, forming a swimming membrane. This adaptation allows them to swim efficiently and navigate through water. The webbed feet also act as paddles, helping them to propel themselves through the water [[6]]. These adaptations collectively enable ducks to thrive in their aquatic habitat, allowing them to find food, stay warm, and navigate through water effectively. I hope this information helps! Let me know if you have any further questions.