Discuss the disadvantages of external Fertilization

The disadvantages of external fertilization include dependence on water and the large quantity of wasted sperm and eggs that never reach a corresponding gamete, even when the organisms releasing the eggs and sperm are close by. The eggs released can also have no shells, as these will avoid sperm.

the correct answer is - ability to find a mate

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.