topic three biology 0.0 / 5 ? BiologyscienceGCSEOCR Created by: maddie marshallCreated on: 12-05-16 12:28 what the adaptations of an polar bear? a white appearance for camouflage , thick layers of fat and fur insulation. a small surface area to minimize heat loss, a greasy coat sheds water. 1 of 6 what is competition? when the same resources e.g. shelter , food , are availability. in the same habitat is a competition it is the survival of the fitness. 2 of 6 what are food webs? food webs show all the food chains in a given habitat are interrelated. 3 of 6 what is interdependence? all organisms in a food web are dependent on other parts of the web. 4 of 6 examples on how an species can become existent? teh environment conditions change beyond the species ability to adapt , a new species that is competitor or predator, or disease. 5 of 6 explain how energy is transferred between organisms in an ecosystem? organism id eaten , when dead organisms and waste marterials are fed on by decay organisms. 6 of 6
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