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.Know More
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
The environments that organisms live have unique features and qualities that shape the development of the genetic and phenotypic characteristics of resident organisms to allow them to become suited for life in those regions better. The environment in which species live can be considered a biological and physical environment. These environments vary around the world, and may be hot, cold, arid or moist.Full Answer >
The biotic factors that affect deserts include all of the living organisms in the habitat, while the abiotic factors that affect deserts include all of the non-living components of the desert. Typical biotic factors of deserts include plants such as drought-resistant grasses, cacti, aloe plants and other succulents, and common abiotic factors of deserts include the soil, rocks, minerals and sands that make up the substrate.Full Answer >
Decomposers help reclaim carbon from dead organisms and put it back into the carbon cycle so living organisms can use it. Decomposers break down dead plants, animals and waste products. This process releases carbon dioxide through cellular respiration.Full Answer >
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 >