Answer:
1. Both food chains and food webs show the flow of energy in an ecosystem. However, food chains illustrate one path of energy, while food webs show multiple paths of energy and interactions among food chains.
2. About 90 percent of the energy at each trophic level is lost and not available to the next level. If the producer level has 100 units of energy, then 10 units of energy are available for the primary consumers.
3. Green plants. Just as 90 percent of the energy at each trophic level is lost, the amount of biomass is typically highest at the primary producer level and decreases in higher trophic levels.
4. Energy is lost to the environment in the form of heat.
Explanation:
Got this straight from Penn Foster, After I wrote the answers
Answer:
A. Make sure you cite a reliable source.
Explanation:
B. There are many unreliable materials that could be simply "printed". Being printed does not show reliability.
C. Since Wikipedia can be edited by anyone may find it untrustable to use.
D. Many .com websites can be a fake commericial website that has "fake" news.
Therefore A is the best choice for quoting a statistic. Citing from a reliable source will allow for trustability to be gained by the readers for your work.
A non-positive quality would be that many blogs try to market something, but they don't always try to present something.
[D]
Lady Macbeth: Sit down, worthy friends. My husband is often like this, and he has been since he was a child. Please stay seated. This is just a brief fit. In a moment he’ll be well again. If you pay too much attention to him you’ll make him angry, and that will make his convulsions go on longer. Eat your dinner and pay no attention to him.
