B3- Life on earth 0.0 / 5 ? BiologyLife on earthGCSEOCR Created by: Lettyscarbaxter-daviesCreated on: 04-05-14 16:03 Definition of Species. An organism that can breed to produce fertile offspring. 1 of 10 3 adaptations that help species survive in its normal environment. 1) Webbed feet to help them swim. 2) skin of different colours to help blend into their environment. 3) Fur to keep them warm 2 of 10 What are mutations? |The changing of the structure of a gene/ 3 of 10 What is Natural selection? Survival of the fittest. Organisms better adapted to their environment tend to produce better offspring 4 of 10 Describe Lamarck's Theroy He Believed that Giraffes necks got longer because they stretched them to get the higher leaves. 5 of 10 What is Biodiversity? Millions of different living things inhabit the Earth. This wide variety of life is called biodiversity. 6 of 10 What is the one way Carbon is removed from the atmosphere? Plants and trees absorb CO2 which is called photosynthesis 7 of 10 What do plants use nitrogen for? to Produce protein. 8 of 10 What is the definition of sustainability? The quality of not being harmful to the environment or depleting natural resources, and thereby supporting long-term ecological balance. 9 of 10 What is selective breeding? Putting the strong organisms together to produce a strong offspring. 10 of 10
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