Lewis and Clark are the people that Jefferson sent on the expedition of the west of the Mississippi River in 1804
1st one is : "Specialization"
2nd one is : "Scarcity"
3rd one is : "Cottage Industry"
4th one is : "Assembly line"
5th one is : "Mass Production"
6th one is : "Unskilled labor"
Hope this helps! :D
a
The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.
