Answer:Producers, or autotrophs, make their own organic molecules. Consumers, or heterotrophs, get organic molecules by eating other organisms.
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain.
Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.
Energy transfer between trophic levels is inefficient—with a typical efficiency around 10%. This inefficiency limits the length of food chains.
This isn't a question based on the book as you had said earlier but i know the answer to this too.
Hazardous waste, as you may know, is any waste substance that is harmful to human health or the environment.
Love Canal was an event in which many people suffered, got sick, and had to be evacuated in the 1960’s after a chemical company placed and buried 55 gallon steel drums underneath the ground of a local community.
Answer:
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Explanation:
modern science what's changing 1000
Answer:
A thousand years spoked wheels allowed heavy carts to evolve into light carts, or chariots. These may have been developed first to help the people herd their horses, or for hunting; they were soon being used for war, and were to have a far-reaching impact on the civilizations of the Middle East and China.