Whale 100,000 calories 200 kilocalories (kcal) Krill 1,000,000 calories 80 kcal Cellular respiration 100 + Heat kcal Feces 20 kcal Phytoplankton 10,000,000 calories Growth Figure 14.3 On average 10% of biomass is passed from one trophic level to the next. Most of the biomass at a trophic level goes to feces and cellular respiration. For example, 200 kilocalories (kcal) of energy at a trophic level will be divided among feces, growth, and cellular respiration. Questions: 2. Calculate the rate of production of biomass at each trophic level in a marine habitat. Use the information in the left column of the table to calculate the rate of production of biomass at each trophic level. Rate of Production Trophic Level of Biomass Producers 1000 g/m²/year Primary Consumers and Decomposers (produce only 20% as much g/m²/year biomass as producers) Secondary Consumers (produce only 15% as much biomass as primary g/m?/year consumers and decomposers) Tertiary Consumers (produce only 10% as much biomass as secondary consumers) g/m?/year 3. What happened to the 80% of producer biomass that was not converted to biomass in primary consumers and decomposers?
Whale 100,000 calories 200 kilocalories (kcal) Krill 1,000,000 calories 80 kcal Cellular respiration 100 + Heat kcal Feces 20 kcal Phytoplankton 10,000,000 calories Growth Figure 14.3 On average 10% of biomass is passed from one trophic level to the next. Most of the biomass at a trophic level goes to feces and cellular respiration. For example, 200 kilocalories (kcal) of energy at a trophic level will be divided among feces, growth, and cellular respiration. Questions: 2. Calculate the rate of production of biomass at each trophic level in a marine habitat. Use the information in the left column of the table to calculate the rate of production of biomass at each trophic level. Rate of Production Trophic Level of Biomass Producers 1000 g/m²/year Primary Consumers and Decomposers (produce only 20% as much g/m²/year biomass as producers) Secondary Consumers (produce only 15% as much biomass as primary g/m?/year consumers and decomposers) Tertiary Consumers (produce only 10% as much biomass as secondary consumers) g/m?/year 3. What happened to the 80% of producer biomass that was not converted to biomass in primary consumers and decomposers?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Please read instructions follow diagram and answer 2 and 3.
Transcribed Image Text:Whale
100,000 calories
200 kilocalories (kcal)
Krill
1,000,000 calories
80
kcal
Cellular
100
+ Heat
Feces
kcal
respiration
20
kcal
Phytoplankton
10,000,000 calories
Growth
Figure 14.3 On average 10% of biomass is passed from one trophic level to the next. Most of
the biomass at a trophic level goes to feces and cellular respiration. For example, 200
kilocalories (kcal) of energy at a trophic level will be divided among feces, growth, and cellular
respiration.
Questions:
2. Calculate the rate of production of biomass at each trophic level in a marine habitat.
Use the information in the left column of the table to calculate the rate of production of
biomass at each trophic level.
Rate of Production
Trophic Level
of Biomass
Producers
1000 g/m?/year
Primary Consumers and Decomposers (produce only 20% as much
g/m2/year
biomass as producers)
Secondary Consumers (produce only 15% as much biomass as primary
g/m?/year
consumers and decomposers)
Tertiary Consumers (produce only 10% as much biomass as secondary
consumers)
g/m?/year
3. What happened to the 80% of producer biomass that was not converted to biomass in
primary consumers and decomposers?
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