Photosynthesis and Cellular Respiration

Most of the energy used by life on Earth cames from

Energy flows from the sun through the living world when -plants capture sunlight and produce carbohydrates -animals eat plants -animals eat other animals that have eaten plants -all of the above

Heterotrophs get energy -from organic molecules -through cellular respiration -from breaking down food molecules -all of the above

Heterotrophs are organisms that

Many autotrophs obtain the energy they need for metabolism through

When cells break down food molecules, energy is

ATP is called a cell's "energy currency" because

Energy released from ATP

Light energy is converted to chemical energy through the porcess of

The major atmospheric by-product of photosynthesis is

When electrons of a chlorophyll molecule are raised to a highter energy level,

Chlorophyll is green because

The process in which plants capture energy and make organic molecules is known as

Because of photosynthesis

Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate original source of energy for all living things on Earth is