variations and inheritance

Question 1

natural selection

Answer 1

by chance, the variations of some individuals make them better at coping with change than others and are more likely to survive

Question 2

genetic variation

Answer 2

when the characteristics of individuals vary due to differences in genes

Question 3

environmental change

Answer 3

when conditions in an area change in which an organism must adapt

Question 4

inheritance

Answer 4

when survivors breed pass on their variations to their offspring for better survival

Question 5

the 5 stages of natural selection

Answer 5

variation
inheritance
selection
time
adaption

Question 6

darwin’s key observations

Answer 6

• there is a population of young
• there is a variation amongst members of the same species
• there is competition for resources (food, space)
• those with the best adaptations survive to reproductive age
• advantageous traits are passed to offspring who will also show this variation