The correct answer is pioneer species.
Pioneer species are the first to colonize a barren or disturbed habitat, initiating ecological succession. These species are typically hardy and well-adapted to harsh conditions, such as extreme temperatures, nutrient-poor soils, or intense sunlight. They possess traits that enable them to quickly establish themselves and begin the process of modifying the environment, making it more suitable for other species. This process is crucial in ecological restoration and understanding how ecosystems recover from disturbances. Pioneer species are often small, fast-growing, and possess efficient dispersal mechanisms to reach new areas rapidly. Their presence lays the groundwork for subsequent stages of succession, gradually transforming the habitat into a more complex and diverse ecosystem. They pave the way for more demanding species to arrive and thrive.
Options 2, 3, and 4 are incorrect. Secondary species appear after a major disturbance, ruderal species grow in disturbed areas, and primary species are the initial colonizers of barren habitats – which is what makes "pioneer" the most appropriate term.
Which of the following statements refers 'Endemic Species'?
The flow of energy in an ecosystem follows the laws of
Which of the following statements are correct about nutrient cycle ?
A. Carbon dioxide gas which makes up about 0.040% of the volume of the earth's atmosphere
B. Specialised bacteria convert most of the $NH_3$ and $NH_4^+$ in the soil to nitrate ions $NO_3$-
C. Phosphorus does cycle through the atmosphere and its cycle is fast
D. Much of the earth's sulfur is stored underground in rocks and minerals
Choose the most appropriate answer from the options given below: