Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter18: Organizing Information About Species
Section: Chapter Questions
Problem 2DAA
Related questions
Question
You will be examining the relationship among organisms inhabiting a small lake. Examine the “Lake Inhabitants” sheet for information about the organisms found in the lake.
- What biotic and abiotic factors will affect the aquatic plants in the lake?
- What biotic and abiotic factors will affect the bluegill in the lake?
- Looking at the organisms associated with the lake, organize them into three trophic groups: producers, consumers, and decomposers.
- Separate the consumers into three subcategories: herbivores, carnivores, and omnivores.
- Create 3 different food chains found within the lake. Food chain #1 should contain 3 organisms, food chain #2 should contain 4 organisms, and food chain # 3 should contain 5 organisms. The arrows should point in the direction the energy is flowing through the food chain. You can either use the “>” as your arrow or the Insert Symbol function to insert an arrow into your food chains.
- As the energy flows through each trophic level, how much energy is lost from the food chain as heat?
- What happens to the number of organisms as they go up through the trophic levels? Explain why this occurs.
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