Respuesta :
A space where all the water from different sources drains altogether is called a watershed. The water from streams and rivers gets drained to a common outlet.
The blanks are as follows:
- Blank 1: Factors
- Blank 2: Human
- Blank 3: Food web
The blanks can be explained as:
- The two factors that enter and flow in the watershed are abiotic and biotic. These can be plants, small microorganisms, soil, small rocks etc.
- Human interventions affect the food chain as the activities like deforestation, industrial emissions, burning of fuels are leading to changes in the environment and harms animals and plants of the ecosystem.
- The energy flow in an ecosystem from the producers to consumers is shown through the food web and represents how the energy is passed from the plants to consumers and their interdependence.
Therefore blanks are factors, human and food web.
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