C. Speedometer
Explanation: Hope this helps but a speedometer does in fact let you know how fast your vehicle is going.
Mutation is a source but it is not the main source after it comes recombination in which 2 chromosomes with “normal” survival are taken from natural population of Drosophila and combined. Then comes immigration of genes in which the new chromosome mix in with different gene frequencies.
Well, you have to focus on the main part, all organisms need minerals (nutrients).... so, just think about the vitamins that are needed for the body....sorry if it didnt help you, i had a similar question a while ago....it helped me!
Answer:
Different types of cells shapes effect the function of the cells. Muscle cells are shaped like they are because they have to perform a certain function to meet the critia of what the body is telling it what to do.
Explanation:
Skeletal muscle cells are located in a bundle of linear fibers. These are thin chains of the proteins actin and myosin that cause muscle contraction. The elongated shape of muscle cells allows contractile proteins to place themselves in an overlapping pattern that allows muscle flexion.