Answer: Haploid cells contain a single set of chromosomes while diploid cells contain two sets of chromosomes. Haploid cells have half the number of chromosomes as in the parent cell while diploid cells contain the same number of chromosomes as the parent cell.
Explanation: Diploid cells contain two sets of chromosomes while haploid cells contain one set of chromosomes. Diploid cells undergo mitosis while haploid cells undergo meiosis. Diploid cells produces two daughter cells in mitosis while haploid cells produce four daughter cells in meiosis. Diploid cells have (2n) number of chromosomes while haploid cells have (n) number of chromosomes. Diploid cells are somatic cells or body cells while haploid cells are sex cells or gametes. Diploid cells are involved in body growth and repair while haploid cells are involved in sexual reproduction.
Answer: d. more adapted to the environment.
Explanation:
Natural selection is a process in which the individuals that have more beneficial traits than other members of the population leave more offsprings for the next generation. It is the chief mechanism of evolutionary change as it makes the organism well adapted to the changing environment. This concept was first proposed by Charles Darwin.
The term meaning situated nearest the midline or beginning of a body structure is proximal. Proximal is a medical term frequently used to mention to the distance of a body part such as shoulder, elbow, wrist, hand, fingers etc. in respects to its contiguity from the center of the body, normally the torso. In most circumstances, torso as the center point and the arms and legs as connections that prolong from the center. The further away an attachment or body part is from the center shoulder, elbow, wrist, hand, fingers the more distal it is and the closer the body part is to the center the more proximal it is. Therefore, when looking at the center of the human body, the shoulder is proximal in closer proximity to the torso when related to the elbow which is further away.
The answer is Succession. It is the gradual sequential regrowth of a community of species after a forest fire. Particularly, Secondary Succession, which is the sequential replacement of species that follows disruption of an existing community (natural disaster or forest fire)
When you drop a ball, it is dropped DOWNWARDS so the number is represented by a negative number. If you toss the ball up it will be a positive number.
To answer your question:
When an object is dropped downwards there will be a negative number since the object is falling downwards.