In an ecosystem, two factors are being classified which are the abiotic and the biotic factors. Both of these factors play an important role in order to balance the ecosystem and maintain the harmony of the living things therein. The environment includes the abiotic factors which are the sunlight, weather, water, air, and all other factors which are not living but contribute to the growth and development of the living ones. For example, plants cannot live without water, sunlight and carbon dioxide. The effects that humans have on the environment is both good and bad. Humans also play an important role in maintaining the environment, and they also have the capability to endanger it.
I would say tested anything scientific comes w a hypothesis and gets tested.
Gametes are sex cellas in organisms that undergo asexual reproduction.
The answer is heart attack, it is a naturally occurring cause of death
They help ensure that the changes of the independent variable are affecting the dependent variable
