Environmental Selection Pressures (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
How much more toxic is tetrodotoxin than cyanide?
How much more toxic is tetrodotoxin than cyanide?
100,000 times more toxic
What are the four conditions required for natural selection?
What are the four conditions required for natural selection?
Variation, Selection, Advantage, Heredity
Which is NOT an environmental selection pressure?
Which is NOT an environmental selection pressure?
Genetic mutation
What does genetic fitness refer to?
What does genetic fitness refer to?
How well an organism survives & reproduces
What % of peppered moths were black in polluted areas after industrialization?
What % of peppered moths were black in polluted areas after industrialization?
Over 90%
How does natural selection affect genetic diversity?
How does natural selection affect genetic diversity?
It tends to decrease diversity
Why is high genetic diversity important for species?
Why is high genetic diversity important for species?
Better adaptation to environmental changes
How many of the four conditions must be present for natural selection?
How many of the four conditions must be present for natural selection?
All four conditions
What happens to advantageous alleles during natural selection?
What happens to advantageous alleles during natural selection?
They increase in frequency
What did common garter snakes evolve in response to rough-skinned newts?
What did common garter snakes evolve in response to rough-skinned newts?
Resistance to tetrodotoxin