Answer:
A
Explanation:
Before domestication of animals, these animals were wild and early humans used to hunt for food. The hunting process was not always successful and took a lot of energy from the body. Domestication of these animals made food available and other conveniences. An example is cows that emanated from the domestication of wild aurochs. They provided the milk and meat for humans and also labored in the farm in the cultivation of domesticated plants.
To make changes to it or to take out some genes of interest
Answer:
Reducir las actividades humanas.
Explicación:
Reducir el uso de combustibles fósiles, el uso de vehículos que funcionen con electricidad y plantar más plantas y árboles son las acciones que propondría para ayudar a que la biosfera y sus ciclos no se vean afectados. La biosfera se ve muy afectada debido a las actividades humanas, por lo que para conservar la biosfera y mantener su ciclo, tenemos que reducir las actividades humanas que causan más daños a la biosfera.
Answer:
Oil workers activities involved in the exploration of crude oil and natural gas creates pollution which affects the ecosystem negatively. The various pollutions cause the death of plant and animal life both on land and in water bodies.
The oil workers should be more careful in their activities to prevent oil spillage as much as possible and if there is any at all then there should be adequate measures in the cleaning it up efficiently through biological and harmless chemicals.
