IGCSE Biology terms

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Across
  1. 2. - part of the body that reabsorbs all of the glucose into the blood
  2. 4. - an alternative form of a gene
  3. 6. - A plant hormone that controls shoot growth
  4. 7. - also called the fight-or-flight hormone
  5. 8. - all of the populations of different species in an ecosystem
  6. 9. - having two identical alleles of a particular gene
Down
  1. 1. - fusion of male gamete and a female gamete
  2. 3. - removal of the nitrogen-containing part of amino acids to form Urea
  3. 5. - Plant response in terms of gravity
  4. 10. - a random change in the base sequence of DNA