OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Energy
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Sun
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Oxygen
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Carbon Dioxide
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Detailed explanation-1: -Notice that the arrows point in the direction of the energy flow. The point of the arrow goes to who is doing the eating. In most ecosystems, feeding relationships are much more complicated than the relationships shown in a food chain.
Detailed explanation-2: -To read the food web: The arrows show what each organism eats and the flow of energy. The arrow points to the organism that does the eating and who GETS the energy.
Detailed explanation-3: -The arrows in a food chain show the flow of energy. As an organism is eaten, energy is transferred to the organism that ate it. For example, a food chain shows an arrow pointing from a fish to a hawk. This means that energy is being transferred to the hawk from the fish when the hawk eats the fish.