How can animals impact the environment? (paragraph) Help asap, my teacher likes not explaining work that well (11 points)

They provide basic human needs for us

Explanation:

For example, a cow gives us meat to live off of. And chickens give us eggs. But they also help with different cycles of nature.

All animals influence the environment to varying extents. The production of livestock and poultry has marked impacts on the environment influencing water, air, and soil. Manure or animal waste is the predominant source of concern particularly with intensive animal agriculture.

Explanation:

Cactus Hill site has human remains that have been dated to around 20,000 years ago. Given its location in Virginia shows that human beings had reached America earlier than this. This contradicts the theory that postulates humans came to America from Siberia through the modern day Bring Strait. The theory asserts that at the end of the Ice age humans were able to cross to America through the Beringia land bridge and other means such as canoes and rafts around 10,000 years ago.