19.1. Energy flow
A subsection of Biology, 5090, through 19. Relationships of organisms with one another and with the environment
Listing 10 of 120 questions
shows what happens to energy as it passes through an herbivorous mammal (an o. 60% of this energy passes through the ox energy contained within food 5% of this energy stored in tissue ticks State the source of the energy in the food eaten by the ox. State the form in which the energy is present in the carbohydrate eaten by the ox. Name the process that makes the remaining 35% of the energy in the food available to the ox. State three ways in which the energy may be used within the ox. 1. 2. 3. The bird on the ox’s back is an oxpecker that feeds both on blood-sucking parasites living on the ox, and on blood from the ox’s wounds. In the space below, draw a food web to show the feeding relationships of the organisms in . Explain why there must always be fewer oxpeckers than ticks in this food web.
5090_s10_qp_21
THEORY
2010
Paper 2, Variant 1
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Questions Discovered
120