Revision Set 6 What word is used to describe Which of the body’s 1 different 6 organs play a vital role in versions of the maintaining water levels? same gene? Is Huntingdon’s disease caused Leaf, sparrow, caterpillar. 2 by a recessive or 7 Draw the food chain dominant allele? Some people believe that, no How does nitrogen get matter what the 3 8 from plants and animals circumstances, to soil some decisions are always……. Name the molecules on These pictures show how the surface of horses’ feet have 4 9 microbes that evolved. Number then to are recognised show oldest to youngest by antibodies type of Why is the rate of 5 blood vessel 10 extinction of species contains valves? increasing?
Revision Set 6 1 What word is used to describe different versions of the same gene? 6 Which of the body’s organs play a vital role in maintaining water levels? 2 Is Huntingdon’s disease caused by a recessive or dominant allele? 7 Leaf, sparrow, caterpillar. Draw the food chain 3 Some people believe that, no matter what the circumstances, some decisions are always……. 8 How does nitrogen get from plants and animals to soil 4 Name the molecules on the surface of microbes that are recognised by antibodies 9 These pictures show how horses’ feet have evolved. Number then to show oldest to youngest 5 type of blood vessel contains valves? 10 Why is the rate of extinction of species increasing?
B123-revision-questions.docx