The mechanical and chemical receptors that control digestive activity are located in the walls of the tract organs.
<span>This system overlaps the above CNS and PNS and include neurons to provide sense information to the brain and motor neurons to drive muscles and glands. This system thus provides the interface between the outside world and the brain.</span>
Answer:
A gene is a portion of DNA that determines a trait. A trait is a characteristic, or a feature, passed from one generation to another, like height or eye color.
Explanation:
"Genes come in multiple forms, or versions. Each of these forms is called an allele. For example, the gene responsible for the hair color trait has many alleles: an allele for brown hair, an allele for blonde hair, an allele for red hair, and so on."
If you wanted to increase the rate of photosynthesis in a plant, you would develop a plant with many, broad leaves. This helps to get more sunlight. The correct answer is C, many, broad leaves.
The process of cell reproduction consists of five stages. The first stage is called prophase. This stage occurs when the chromatin coils and condenses to form the chromosomes.In this stage the <span>nuclear membrane inside the cell begins to disappear.</span>