A. why does it take 1000kg of grasses to make 100kg of lemmings? Said another way, why can’t you get 1000kg of lemmings from 1000kg of grasses?B. Give a rough estimate of the ratio of agricultural land needed to produce a hamburger compared to the same sized veggie burger TrophiclevelPredator(tertiary consumer):1 kg of eagle4Predator(secondary consumer):10 kg of foxes3Herbivore(primary consumer):100 kg of lemmings2Primary producer:1000 kg of grassesFrom the base of plant productivity, about 10% ofthe biomass of each trophic level is passed on to thenext-higher level.

Total biomass and energy become less at each successive trophic level, this limits the number of…

Answered: A. why does it take 1000kg of grasses…

A. why does it take 1000kg of grasses to make 100kg of lemmings? Said another way, why can’t you get 1000kg of lemmings from 1000kg of grasses?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter54: Ecosystems And Global Change

Section: Chapter Questions

Problem 9TYK: The amount of energy available at the highest trophic level in an ecosystem is determined by: a....

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Concept explainers

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.

Question

A. why does it take 1000kg of grasses to make 100kg of lemmings? Said another way, why can’t you get 1000kg of lemmings from 1000kg of grasses?

B. Give a rough estimate of the ratio of agricultural land needed to produce a hamburger compared to the same sized veggie burger

Trophic
level
Predator
(tertiary consumer):
1 kg of eagle
4
Predator
(secondary consumer):
10 kg of foxes
3
Herbivore
(primary consumer):
100 kg of lemmings
2
Primary producer:
1000 kg of grasses
From the base of plant productivity, about 10% of
the biomass of each trophic level is passed on to the
next-higher level.

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