Present a threat to mainstream media, largely because they

Blogs; are cheap to produce.

Explanation:

Blogs are a dangerous alternative to mainstream media. In a blog, the author performs many of the same actions that a large team at a media company produce, such as researching, writing, recording, editing, publishing, advertising, etc. Moreover, blogs are usually very cheap to produce, and as they require very little investment, can often be very profitable.

answer; ///it examines the interaction between genetics and culture in shaping human biology;

it is a part of john locke's natural rights popular during the age of enlightenment that people had inalienable rights to life, liberty and property. this was reflected by thomas jefferson in his declaration of independence as rights to life,liberty and the pursuit of happiness.

another line in the declaration of independence is that people have certain rights just because they are human. humans are capable of obeying the three natural rights john locke mentioned making them governable by these laws and therefore entitled to these rights as well.