B3 5.0 / 5 based on 1 rating ? BiologyLife on earthEvolution, extinction and natural selectionGCSEOCR Created by: meganhiggins122Created on: 29-04-15 23:29 What are hormones? chemicals secreted by glands. 1 of 13 How are hormones transported around the body? in the bloodstream. 2 of 13 What does the hormone insulin do? causes glucose to be removed from the blood. 3 of 13 What is the eye an example of? A sense organ. 4 of 13 Which type of neurone transmits a signal from a sense organ to the central nervous system? Sensory neurones 5 of 13 Which type of neurone transmits a signal from the central nervous system to an effector, such as a muscle? Motor neurones 6 of 13 Compared with nervous responses, hormonal responses are: slower acting and longer lasting 7 of 13 According to Darwin's theory of evolution, how do new species evolve? By natural selection. 8 of 13 Which individuals are most likely to survive to reproduce? Individuals that are well suited to their environment 9 of 13 What is likely to happen to an individual that is poorly suited to its environment? it will not survive to reproduce. 10 of 13 What type of variation is inherited? Genetic variation. 11 of 13 Why do we have a good evolutionary record of the horse? because the fossil record of its ancestors is complete. 12 of 13 Why are white peppered moths likely to be more common than black ones in country areas? because it is more difficult for birds to see them on clean birch bark. 13 of 13
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