B2 Science Test GCSE, B2 Science Test. 3.0 / 5 based on 1 rating ? BiologyGCSEAll boards Created by: LizzieCreated on: 21-05-12 16:26 What is the order of the classification groups? Kingdom, Phlyum, Class, Order, Family, Genus, Species 1 of 10 What is meant by the term species? A group of organisms that can be breed 2 of 10 What name is used to describe a cross between two species? A hybrid 3 of 10 How do you calculate the efficiency of transfer energy in a food chain? energy used for growth/energy imput. 4 of 10 What are decomposers? Bacteria that convert proteins into ammonia. 5 of 10 What is nitrogen-fixing bacteria? Bacteria that fix nitrogen gas 6 of 10 What is Denitrifying bacteria? Bacteria that converts nitrates into nitrogen gas, 7 of 10 What is Nitrifying bacteria? Bacteria that convert ammonia into nitrates. 8 of 10 An ecological niche is... the role of the animal. 9 of 10 A carbon footprint is a measure of... greehouse gases given off by a person 10 of 10
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