18.2 variation in phenotype

Question 1

what do genetic variation arises as a result of?

Answer 1

• mutations
• meiosis
• random fertilisation of gametes

Question 2

give examples of environmental influences in plants

Answer 2

• temperature
• rainfall
• sunlight
• pH
• soil condition

Question 3

give examples of environmental influences in animals

Answer 3

• food availability

- water

Question 4

phenotype definition

Answer 4

physical characteristics influenced by the environment and its genotype