Mandelian Genetics 6

Question 1

Darwin’s first observation ?

Answer 1

The forms of certain living creatures seemed to be adapted to their specific needs

Question 1

Darwin’s first observation ?

Answer 1

The forms of certain living creatures seemed to be adapted to their specific needs

Question 2

Darwin’s second observation

Answer 2

Some species were known to have died out altogether – to have become extinct

Question 2

Darwin’s second observation

Answer 2

Some species were known to have died out altogether – to have become extinct

Question 3

Darwin’s third observation

Answer 3

Darwin’s research voyage on the Beagle had persuaded him of the uneven geographical distribution of life forms throughout the world

Question 4

Darwin’s fourth observation

Answer 4

Many creatures possess “rudimentary structures” (sometimes referred to as “vestigial structures”, which have no apparent or predictable function.

Question 4

Darwin’s fourth observation

Answer 4

Many creatures possess “rudimentary structures” (sometimes referred to as “vestigial structures”, which have no apparent or predictable function.

Question 5

Charles Darwin’s Theory of Evolution

Answer 5

Populations, not individuals, evolve and become adapted to environments in which they live

Question 6

2 definitions of adaptation

Answer 6

1. Processes by which adaptive traits are acquired
2. Traits that enhance survival and reproductive success of their bearers

Question 7

why do organisms evolve ?

Answer 7

due to natural selection

Question 7

why do organisms evolve ?

Answer 7

due to natural selection

Question 8

what are the limits to evolution ?

Answer 8

• Constraints
• Non-independance of traints