The unit is called Ecosystem.
Ecological units comprise concepts such as population, community and ecosystem.
<em>An ecosystem</em> is a community of plans and animals interacting with each other in an particular area. They also interact with their non-living environments (water, earth, sun, soil, climate and atmosphere).
The robins are in relationship with the earthworms because the robins eat them in order to survive and as a part of the food chain. The food chain is a linear sequence of organism through which nutrients and energy pass as one organism eats another. Ecosystems consist of creatures that mutually benefit from each other.
Molly Maguires were Irish coal miners.
Molly Maguires were mostly based in Pennsylvania in the coal fields/mines. Although, many members of the group were executed or arrested due to many crimes such as murder and kidnapping.<span />
John Brown stirred up a lot of controversy with his attack on "Harper's" Ferry in Virginia, since this was a raid aimed at arming slaves and freedman alike in order to inspire a massive revolt.
Answer:
b. owed their lord labor services.
Explanation:
During the early nineteenth century, the Jeffersonian Party's base of strength was in the south
The party was formed by Thomas Jefferson and James Madison around 1792. It was opposed to the centralizing policies of the new Federalist Party as it believed that a strong central government posed a threat to liberty
