Describe a common biotic and a common abiotic component of two terrestrial ecosystems. Then, describe a common biotic and a common abiotic component of two aquatic ecosystems.(2 points)
A common biotic component of two terrestrial ecosystems, such as a forest and a grassland, would be plants. In a forest ecosystem, you would find trees, shrubs, and other vegetation, while in a grassland ecosystem you would find various grasses and herbs. A common abiotic component of these terrestrial ecosystems would be sunlight, as it provides the energy needed for photosynthesis and helps regulate temperature within the ecosystem.
A common biotic component of two aquatic ecosystems, such as a freshwater lake and a coral reef, would be algae. In a freshwater lake, you might find phytoplankton, a microscopic algae, while in a coral reef, you might find Symbiodinium, which are photosynthetic microalgae that live in a symbiotic relationship with coral. A common abiotic component of these aquatic ecosystems would be water chemistry, such as the salinity or nutrient levels, which influences the types and distribution of organisms within the ecosystem.