Organisms rely on and interact with each other in a number of different ways. Some species serve as food for carnivores. Some organisms are parasites that derive their resources at the expense of other species, while others engage in mutualistic relationships, in which both organisms benefit. Other species depend on similar resources so they are in competition with each other.Continue Reading
Animals that eat other animals are called predators. Examples of predators include spiders, snakes and sharks. The animals these predators consume are called prey species. For example, some prey species of spiders include flies, roaches and beetles. Many animals are both predators and prey, such as a snake that eats a rodent but is in turn eaten by a hawk.
Examples of parasites include intestinal worms, protozoans and ticks. These animals derive nutrition from other animals, called hosts. For example, a tick attaches itself to an animal and then begins to drink blood from the host. Often, the host only experiences a minor inconvenience from the parasite’s activities, but in some cases, the parasites can cause the host to become weak or even die.
In some cases, organisms have a mutually beneficial relationship. As an example, the activities of leaf-cutter ants encourage the growth of fungus that serves as food for the ants. In this case, the fungus benefits from the ants, while ants benefit from the fungus.Learn more about Environmental Science
The science of ecology, which studies the relationships between organisms and their environments, developed from multiple areas of study. Some of these include ancient Greek observations of natural history, the early work of plant and animal physiologists, and studies of population dynamics.Full Answer >
A pond ecosystem is a freshwater ecosystem in which communities of organisms rely on each other and the water environment for their nutrients and survival. Pond ecosystems have both abiotic and biotic components.Full Answer >
The adaptability and interconnected nature of the organisms living in ecosystems helps to maintain the habitats in the natural world. For example, if one important species begins to disappear from a habitat, other species begin to fill the void. Conversely, if a species becomes too numerous, the plants and animals that it relates with adapt to the increased population.Full Answer >
Rain forests are important to the world because they provide a habitat for millions of species of organisms, they regulate the world's climate, they store nearly half of the world's rainwater and they contain plants that are used in modern medications. Rain forests also absorb massive amounts of carbon dioxide.Full Answer >