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Q1. A scientist randomly separated a group of 100 lab rats into two groups of 50. One group was fed regular rat chow while the other was fed the same quantity of rat chow with added ddt. Both groups were housed in the same room with the same environmental conditions. At the end of the experiment, rats were weighed and the mean difference calculated. What variable(s) was/ were manipulated by the scientist?

a)DDT

b) Temperature

c) Weight difference

d) Both ddt and weight differences

e) both temperature and weight differences

Q2. •Complete descriptions of photosynthesis and aerobic respiration.

•explain how these two processes are linked between plants and animals based on reactants and products (water, carbon dioxide, glucose and oxygen) of both pathways.

•comprise the description of how energy is transferred from sunlight to ATP, from ATP to sugars, and from sugars to your cells.

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Biology, Academics

Category:- Biology
Reference No.:- M9156797

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