AP BIOLOGY

ECOLOGY

ENERGY FLOW AND THE FOOD CHAIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a “primary energy source”?
A
Grass
B
Sun
C
Bacteria
D
Soil
Explanation: 

Detailed explanation-1: -Sun is the primary source of energy for Earth. The sun provides heat and light which allow food to grow, some of which gets eaten directly, others decay to peat, coal, oil, etc. Q. Coal and petrol are sources of energy.

Detailed explanation-2: -The Sun is the Primary Source of Energy for Earth’s Climate System.

Detailed explanation-3: -Primary energy sources take many forms, including nuclear energy, fossil energy–like oil, coal and natural gas–and renewable sources like wind, solar, geothermal and hydropower.

Detailed explanation-4: -Primary electricity is obtained from natural sources, such as hydro, wind, solar and tide and wave power.

Detailed explanation-5: -Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun’s core and fuse to create a helium atom. This process, known as a PP (proton-proton) chain reaction, emits an enormous amount of energy.

There is 1 question to complete.