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Graded Assignment

Unit Assessment, Part 2: Evolution

Complete this teacher-scored portion of the assessment and submit it to your teacher.

Total score: ____ of 15 points

(Score for Question 1: ___ of 5 points)

1. The male resplendent quetzal bird has evolved to have tail feathers that are approximately 60 cm long. The female quetzal has short tail feathers. Using the quetzal as your example, describe how the mechanism of natural selection may have led to the evolution of the male quetzal’s extraordinarily long tail feathers.

Answer:

Type your answer here.

(Score for Question 2: ___ of 5 points)

2. Variation in a trait is a required condition for natural selection to act on a population for that trait. Assuming a population of organisms only started with only one form of a trait, what are two ways variation in the trait could be introduced into the population? Explain your answer.

Answer:

Type your answer here.

(Score for Question 3: ___ of 5 points)

3. Give a basic definition of evolution as taught in this unit.

Answer:

Type your answer here.

1. Degestion and Apsorption

What is thyroid ?