Ecology Definition A Level Biology
Ecology is a branch of biology that studies the interactions between organisms and their environment. It examines the distribution, abundance, and behaviour of organisms within ecosystems, as well as the processes that shape these interactions. Ecology has a wide scope, encompassing fields such as population ecology, community ecology, ecosystem ecology, and landscape ecology.
One of the fundamental concepts in ecology is the ecosystem. An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment (things like air, water and soil), interacting as a system. Ecosystems can range in size from a small pond to a vast forest or ocean. Ecologists study the interactions between organisms within ecosystems, as well as the ways in which these interactions affect the structure and function of the ecosystem.
Another important concept in ecology is the niche. A niche is the specific role or position that an organism occupies within an ecosystem. It includes the organism's habitat, the resources it uses, and the way it interacts with other organisms. Niches help to determine the distribution and abundance of organisms within ecosystems, and they can also play a role in the evolution of new species.
Ecology has a wide range of applications, including conservation biology, environmental management, and public health. Ecologists work to understand the complex interactions between organisms and their environment, and they use this knowledge to develop strategies for protecting and managing ecosystems. Ecology is also essential for understanding the impacts of human activities on the environment, and for developing sustainable solutions to environmental problems.
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