You identify five endemic species of mammals living on an island a short distance from the mainland. You also identify each species' closest relative on the mainland. Two alternatives exist to explain this group of species: Hypothesis

1. The ancestors of the current island species dispersed from the mainland to the island and subsequently diverged on the island (dispersal). Hypothesis
2. The island was originally part of the mainland but a rise in sea level resulted in its being cut off, with the result that the mammals on the island diverged from the ones on the mainland (vicariance).

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

what bodys are there orbiting?

you know they are heterozygous for a trait because they have it as jj or jj.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.