the sun
The energy can come from just about any source of AVAILABLE energy.
Directly from the sun
it depends, if you have eaten any food before, if you have, then it is that otherwise it is your fat or muscle
Any light source.
Energy cannot be created or destroyed, so other energy needs to come from another source.
the sun
gravitational potential energy
The sun is the initial (primary) energy source for life. Ingestion and digestion of a food source is an animal's primary source of energy.
sunlight.
4 atp is used
Sunlight or sun.
The energy can come from just about any source of AVAILABLE energy.
The energy can come from just about any source of AVAILABLE energy.
Motion. The motion can be energized by virtually any source of energy.
the primary source of energy is sun.
The energy source is the sun. Plants use solar energy to produce the foods they need for growth. Animals feed on the plants or feed on animals that eat plants.
Source of energy is the sun.