Biology Environment and Evolution

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1. Which characteristics are due to Genes ONLY?

  • Eye Colour, Inherited Disorders, Weight
  • Blood Type, Eye Colour, Inherited Disorders
  • Blood Type, Eye Colour, Eating Disorders
  • Blood Type, Eye Colour, Shoe Size
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2. How are desert plants adapted to having little water?

  • Release antitoxins, water storage tissues, maximizing water absorbtion
  • Small surface area compared to volume, perspire slowly, maximizing water absorbtion
  • Small surface area compared to volume, water storage tissues, maximizing water absorbtion
  • Large surface area compared to volume, water storage tissues, maximizing water absorbtion

3. Give three examples of non living factors.

  • change in temperature, pressure, air or water pollution
  • change in temperature, rainfall, air or water pollution
  • change in light, temperature and pressure
  • change in rainfall, light, air or water pollution

4. How are desert animals adapted to their conditions? (4 things)

  • Large Surface Area compared to volume, efficient with water, good in hot conditions, camouflage
  • Small Surface Area compared to volume, efficient with water, good in hot conditions, camouflage
  • Large Surface Area compared to volume, efficient with water, good in wet conditions, camouflage
  • Large Surface Area compared to volume, efficient with water, good in hot conditions, release poisons

5. How many chromosomes do Gametes have?

  • 23. Half the number of a normal cell.
  • 46. 23 Pairs of Chromomes.
  • 32. One and a half the number of a normal cell
  • None because they don't make chromosomes until they have fused with another cell.

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