Energy flow in an ecosystem is—

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• C-13-Q091Approximately what percentage of energy is reduced in every stage of the food chain?
• C-13-Q092The size of a food chain is generally limited to how many stages?
• C-13-Q093The longer a food chain is—
• C-13-Q094The total number of described animal species is approximately—
• C-13-Q095The total number of described plant species is approximately—
• C-13-Q096About how many human beings live on the earth at present (per the textbook)?
• C-13-Q097A species is a group of organisms that are similar in—
• C-13-Q098The abundance and variability among organisms existing on the earth is called—
• C-13-Q099Diversity exists even among members of the same species — true or false?
• C-13-Q100Biodiversity is divided into how many categories?