Write the chemical equation for cellular respiration.

(a)  

The main pigment used in photosynthesis, gives plants their green color.

(a)  

The breakdown of food without the use of oxygen.

(a)  

An organism that eats other plants or animals for energy and nutrients.

(a)  

An organism that can produce its own food using light, water, carbon dioxide, or other chemicals.

(a)  

Explain the process of photosynthesis.

(a)  

Fred was exercising at a local gym. As he was running on the treadmill his legs began to tighten up, and he began to experience some cramping. Explain the cause of this scenario.

(a)  

What is the primary source of energy that flows through most living systems?

(a)  

Yellow and orange vegetables are rich in sources of (a)   .