Lab: Natural Selection-Standard Bio 4.2

Question 1

Check all statements below that are true.

Revolt · Accepted Answer

All organisms must compete for survival.; Some organisms have phenotypes that make them better competitors than others in their environment.; Natural selection continues to occur even today.; Phenotypes found in the most successful members of a species become the most prevalent after several generations.

Question 2

Look at the three beaks. Which flock’s birds have beaks that seem most likely to be able to pierce a piece of fruit?

Revolt · Accepted Answer

Flock X

Question 3

Check all correct elements below that you included in your question.

Revolt · Accepted Answer

The independent variable is the type of food available.; The dependent variable is the frequency of each type of beak (or number of birds with each beak type).

Lab: Natural Selection-Standard Bio 4.2 Answers

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