Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 38.3, Problem 5MC
Summary Introduction
To determine:
The efficiency of energy transfer between trophic levels in food webs.
Concept Introduction:
Trophic level describes the position of each species in the food chain. The total quantity of the energy which is trapped by all the primary producers or autotrophs is termed as gross primary production. The remaining energy left by autotrophs is trapped by the consumers to eat is termed as net primary production.
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Chapter 38 Solutions
Biology: Concepts and Investigations
Ch. 38.1 - Distinguish among communities, ecosystems, and...Ch. 38.1 - Prob. 2MCCh. 38.1 - Distinguish between habitat and niche.Ch. 38.1 - Prob. 4MCCh. 38.1 - Prob. 5MCCh. 38.1 - Prob. 6MCCh. 38.1 - Prob. 7MCCh. 38.2 - Prob. 1MCCh. 38.2 - Prob. 2MCCh. 38.2 - Prob. 3MC
Ch. 38.2 - Prob. 4MCCh. 38.3 - Identify the trophic levels of a food chain.Ch. 38.3 - Prob. 2MCCh. 38.3 - Prob. 3MCCh. 38.3 - Prob. 4MCCh. 38.3 - Prob. 5MCCh. 38.3 - Prob. 6MCCh. 38.4 - Prob. 1MCCh. 38.4 - Prob. 2MCCh. 38.4 - Prob. 3MCCh. 38.4 - Prob. 4MCCh. 38.4 - Prob. 5MCCh. 38.5 - Prob. 1MCCh. 38.5 - Prob. 2MCCh. 38 - Prob. 1MCQCh. 38 - Cyanobacteria are photosynthetic bacteria that...Ch. 38 - Prob. 3MCQCh. 38 - Prob. 4MCQCh. 38 - A large tree falls over in an old-growth forest,...Ch. 38 - Prob. 6MCQCh. 38 - In a prairie, which trophic level should have the...Ch. 38 - Prob. 8MCQCh. 38 - Prob. 9MCQCh. 38 - Prob. 1WIOCh. 38 - Prob. 2WIOCh. 38 - Prob. 3WIOCh. 38 - Prob. 4WIOCh. 38 - Prob. 5WIOCh. 38 - Prob. 6WIOCh. 38 - Prob. 7WIOCh. 38 - Prob. 8WIOCh. 38 - Prob. 9WIOCh. 38 - 1. Review the definitions of ecology, populations,...Ch. 38 - Prob. 2PIT
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- Explain the similarities and differences between the green and brown food webs. How are they connected? How do both contribute energy to the higher trophic levels?arrow_forwardAsap What will be the amount of energy available to the organism of the 2nd trophic level of a food chain, if the energy available at the first trophic level is 10,000 Joules?arrow_forwardWhat are trophic levels?How many trophic levels can afood chain have?arrow_forward
- Compare and contrast trophic levels, food chains, and food webs. How are these concepts related, and how do they differ?arrow_forwardThe average efficiency of energy transfer between trophic levels is 10%. Use this efficiency to determine how much phytoplankton mass is required to add just 1 gram (0.04 ounce) of new mass to a killer whale, which is a third-level or top carnivore. Create a diagram that summarizes the different trophic levels and the relative size and abundance of organisms at each level. How would your answer change if the efficiency were half the average rate? Twice the average rate?arrow_forwardHow does energy movee through an ecosystem from one trophic level to the next and what is the consequences of human diet choices on ecosystem resources?arrow_forward
- What is a food web? How does the amount of primary productivity influence the number of trophic levels in a food web as well as the number of species at the top? Explain the difference between top down and bottom up control in food webs.arrow_forwardCan the amount of available energy on a given trophic level be larger than the available energy on lower trophic levels? What does that condition mean for the shape of energy pyramids?arrow_forwardcan someone please help me to answer questions a-b thank you 1In a trophic pyramid, each level is smaller than the one below. a) What does the size of each level represent? b) How much energy is transferred from level to level? c) Explain why the levels get smaller as the trophic pyramid goes up.arrow_forward
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Energy flow in ecosystem; Author: MooMooMath and Science;https://www.youtube.com/watch?v=5jBV9vJmXZI;License: Standard youtube license