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Unit 8 - LS 2 Evolution spencer hall

Terms in this set (8)

What does survival of the fittest mean?

Answer C
A. Organisms that are in the best shape have more babies
B. Organisms survive when they change themselves
C. Organisms that are the best fit for the environment will have more babies
D. Organisms need exercise to remain fit
Darwin thought that during Natural Selection all organisms ______________

Answer A
A. are different and have variation
B. begin the same
C. can make themselves better
D. cannot die or become extinct
Wild animals tend to produce ______________

Answer A
A. more offspring than they need
B. less offspring than they need
C. just the right amount of offspring
The best genes become

Answer B
A. the least common
B. the most common
What is the term for a genetic change in a population?

Answer D
A. Overproduction
B. Diversity
C. Fitness
D. Evolution
What Snurfle adaptation would be best if fruit was in high reach places? Explain your answer.

Answer >>
Bat wings because you can fly fast to get the fruit in high places. adaption is a physical characteristic
Describe the conditions of Shas-nese island if the best Snurfles have the adaptations of fur and gills.

Answer >>
The island would be cold and have water
Explain how natural selection has occurred in these birds by using VISTA

Answer
Variation - Increase in beak size, short beaks, medium beaks, and large beaks

Inheritance - Parents offspring passed down big beak birds

Selection - Selection for Birds with big beaks ate plants on the island that were larger size for them. Selection against birds with small and medium beaks need to eat a lot to survive

Time - Over generations big beak birds increased and had more offspring and birds with small and medium beaks decreased.

Adaptation - Birds with big beaks were the best fit for the environment
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