organism
community
The populations of all the species in a specific area are referred to as a community. This community consists of various organisms, including plants, animals, fungi, and microorganisms, all interacting with one another and their environment. The dynamics of these populations can be influenced by factors such as resource availability, predation, competition, and environmental changes. Understanding these interactions is crucial for studying ecosystem health and biodiversity.
The four levels of organization in an ecosystem are individuals (organisms), populations (group of individuals of the same species), communities (interacting populations in a specific area), and ecosystems (communities interacting with their physical environment).
Community
because then scientists can collect more data on that species
Community
Biologists call the populations of many species occupying a particular place a community. This term refers to all the different populations of organisms living and interacting in the same area or ecosystem.
Populations come first before communities. Populations are a group of organisms of the same species living in the same area, while communities are made up of various populations interacting with each other in a specific habitat.
Many populations in one area are called a community. This term refers to different species interacting and coexisting in a specific habitat or ecosystem.
An example of two or more populations of different species living and interacting in the same area is a forest ecosystem, where populations of trees, birds, insects, and mammals coexist and rely on each other for resources such as food and shelter. Another example is a coral reef, where various populations of fish, coral, and algae interact and depend on each other for survival in the same ecosystem.
Fauna
Scientists use genetics to understand evolution by studying the changes in DNA sequences over time in different species. By comparing genetic similarities and differences between species, researchers can infer evolutionary relationships and timelines. This information helps scientists to reconstruct the history of life on Earth and understand how populations change and evolve.