YDS

Glacial retreat has accelerated in many mountain ranges over recent decades. Meltwater from glaciers supplies rivers that millions of people depend on. As glaciers shrink, some regions face growing un...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-11.soru


Migratory salmon travel from the ocean back to the rivers where they hatched to spawn. This journey often involves swimming upstream against strong currents. Dams and other barriers can prevent salmon...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-12.soru


Soil health directly affects the productivity and sustainability of agricultural land. Overuse of chemical fertilizers can deplete beneficial microorganisms within the soil. Crop rotation and cover cr...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-13.soru


Migratory whales travel thousands of kilometers between feeding and breeding grounds each year. They typically feed in nutrient-rich polar waters during the summer months. In winter, many species migr...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-14.soru


Mountain ecosystems host species specially adapted to high altitudes and thin air. As temperatures rise, many species are forced to move to even higher elevations. This upward shift can eventually lea...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-15.soru


Desert ecosystems, though seemingly barren, support surprisingly diverse plant and animal life. Many desert species have evolved specialized adaptations to conserve water. Some plants store water in t...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-16.soru


Migratory butterflies, such as the monarch, travel remarkable distances across North America. No single butterfly completes the entire round-trip migration alone. Instead, several generations are born...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-17.soru


Rivers naturally shift course over time as sediment builds up and erodes banks. Human infrastructure, such as levees, is often built to control this natural movement. While levees can reduce flooding ...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-18.soru


Grasslands cover roughly a quarter of the Earth's land surface. These ecosystems support large herds of grazing animals, from bison to wildebeest. Periodic wildfires help maintain grasslands by preven...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-19.soru


Migratory eels undertake one of the most mysterious journeys in the animal kingdom. European eels travel thousands of kilometers to spawn in the Sargasso Sea. Their larvae then drift back toward Europ...
https://e-sorucoz.com/test-sorular/YDS-Okuma-Sorulari-Test-4-20.soru