<span>The correct answer is number one. A chromosome is composed of many genes. A chromosome is referred to as a DNA molecule in an organism's body, which consists of genetic materials. Chromosomes consists of numerous genes within them, in their nucleus and mitochondria, genes are found inside the Chromosomes itself.</span>
D the answer is Glycogen is composed of a branched chain of glucose residues. It is stored in liver and muscles. It is an energy reserve for animals. It is the chief form of carbohydrate stored in animal body.
Answer:
In open systems both matter and energy move into and out of the system. Earth's four spheres are open systems. These four spheres work together to form one large closed system called Earth. The atmosphere is a mixture of gases that surrounds and protects our planet.
Explanation:
Answer:
C.
Explanation:
It is a relationship between 2 organisms that helps both of them, so the answer is C
Carbon is so important because it’s how living things breath