Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 3, The Biosphere - 3.2 - Energy Flow in Ecosystems - 3.3 Assessment - Page 78: 3

Answer

The food web in the everglades would be the one that involves the algae, flagfish, largemouth bass, anhinga, alligator, pig frog, killifish, and everglades crayfish, as well as the plant leaves, seeds, and fruits. The food chain I chose is the one involving the largemouth bass, flagfish and algae. The algae are the primary producers or the autotrophs, the flagfish is the primary consumer, and the largemouth bass is the secondary consumer. The flagfish is a heterotroph, so it needs other resources for food, and it eats the algae as a primary consumer, and the largemouth bass eats the flagfish.

Work Step by Step

A food chain is a linear series of feeding relationships in which organisms transmit energy by eating and being eaten. A food web represents the connection of food chains in an ecological con1munity. Each level of a food chain or a food web represents a different trophic level. The food chain or the food web starts with the primary producers that occupy the first trophic level. Every other trophic level is occupied by various consumers. The food web in the everglades would be the one that involves the algae, flagfish, largemouth bass, anhinga, alligator, pig frog, killifish, and everglades crayfish, as well as the plant leaves, seeds, and fruits. The food chain I chose is the one involving the largemouth bass, flagfish and algae. The algae are the primary producers or the autotrophs, the flagfish is the primary consumer, and the largemouth bass is the secondary consumer. The flagfish is a heterotroph, so it needs other resources for food, and it eats the algae as a primary consumer, and the largemouth bass eats the flagfish.
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