Answer:
A .They result in sudden gene frequency changes.
Explanation:
The communities plus abiotic and biotic surroundings is called an ecosystem
The answer for the above question is Cardiovascular fitness. It is the ability of the heart, lungs, and blood vessels to function efficiently when a person exercises. Cardiovascular system is the body system that includes the heart, blood vessels, and blood, and functions by transporting oxygen and nutrients to body cells and removing cellular wastes. Cardiovascular endurance on the other hand is the ability of the body to work continuously for extended periods of time.
Answer:
Cells contain DNA that controls the production of proteins.
Explanation:
During respiration, the energy within the bonds of glucose molecule is released in small amounts in a step-by-step enzyme-controlled reaction.