Answer:
Carbon dioxide is a gas consisting of one part carbon and two parts oxygen. It is one of the most important gases on the earth because plants use it to produce carbohydrates in a process called photosynthesis
Explanation:
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Complex organic food molecules such as sugars, fats, and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together. Scientists can measure the amount of energy stored in foods using a device called a bomb calorimeter. With this technique, food is placed inside the calorimeter and heated until it burns. The excess heat released by the reaction is directly proportional to the amount of energy contained in the food.
Monerans, now known as bacteria, have many beneficial effects. Some, such as the species that live in the intestines
Answer:
1. an offspring with two identical alleles for a trait is homozygous.
2. only some traits are inherited
3. offspring inherit two alleles for a gene from each parent.
