6. Mant top level consumers are large carnivores. Explain how their size affects or is affected by the dynamics of energy, biomass and/or numbers pyramids.   7. What other factors in an ecosystem may affect pyramid shapes for that ecosystem?   8. What level of an ecological pyramid would contain humans? Please explain your choice.   9. Many farmers use pesticides on their fields to keep pests from eating their crops. These pesticides, however, can have serious, negative effects on other organisms thaat interact with the ecosystem. For that reason, some people have suggested that bringing in predators to eat the pests would be a better soulution than pesticides. a. Explain what affeccts bringing predators in could have on the ecosystem. b. Which level of organisms is most susceptible to extinction. Please support your answer.

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Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.