A food web is better because it shows multiple interlocking food chains in a community and a food chain one shows one set of organisms that depend on each other. An example of a food chains is grass- grasshopper- rat- snake- hawk
Answer:
The correct answer is 4) They both contain carbon, but only nucleic acids contain phosphorous.
Explanation:
Answer:
Some brain cells start dying less than 5 minutes after their oxygen supply disappears. As a result, brain hypoxia can rapidly cause severe brain damage or death.
Explanation:
Answer:
B. Available energy decreases as trophic levels decrease