Genetic variation allows for mutations to occurs where survival of the fittest occurs. This makes sure that the most adapted creatures survive and are able to pass their genes on to offspring. Thus causing evolution.
Answer:
1. The sense organ which tells you that a fruit is sweet or bitter. <em>Tongue</em>
2. The five sense organs. <em>Eye, ear, nose, tongue, skin</em>
3. The organ which has several taste buds. <em>Tongue</em>
4. The sense organ which tells you a truck is approaching. <em>Eye, ear</em>
5. The thing which helps some people to hear better. <em>Hearing aid</em>
6. The thing which help some people to see better<em> </em><em>Glasses/spectacles</em>
Answer:
The study of oceans and their life.
Explanation:
The study of oceans, including seawater, the ocean floor, and marine plants and animals.
Answer:
If there wasn't a lot of organisms and energy in the productive part of the triangle, then there wouldn't be a lot of third level organisms. The energy piramid would be a lot smaller then what it is here, and maybe if the energy source was low then there might not be such a vast varity of animals in the ecosystem.
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