Every time energy is transferred between organisms in a food web, some of the energy is lost as heat.
Which individual would be the safest from a lightening strike? a. a person standing 8 miles away b. a person on a bike 8 miles away c. a person in a tent 8 miles away d. a person in a house 8 miles away Please select the best answer from the choices provided
Which of the following is not true concerning the flow of energy through an ecosystem? a. Most solar energy is used in photosynthesis. b. Photosynthesis and cellular respiration are performed by plants. c. Not all solar energy is used for photosynthesis. d. Most of the energy from photosynthesis flows out as heat. Please select the best answer from the choices provided
Which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds?a.glucoseb.oxygenc.carbon dioxided.all of the above
The energy used for metabolic processes reduces the efficiency of secondary productivity.
The energy value listed for foods refers to the _______.a.total amount of chemical energy in the foodb.amount of energy available as fuel for the bodyc.total nutritional value of the foodd.amount of carbohydrates
Which of the following best describes the fate of energy in ecosystems?a.It will ultimately be recycled back into the ecosystem.b.It flows from secondary consumers to primary consumers.c.It enters most ecosystems in the form of sunlight.d.It flows through and is used by ecosystems.
Heterotrophs convert solar energy into chemical energy.
Most energy enters ecosystems in the form of sunlight.
Energy must be transformed in ecosystems because _______.a.energy cannot be created or destroyedb.an organism’s energy must go somewherec.an organism’s energy must come from somewhered.all of the above
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