4. In an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based on
a. inheritance of natural variations
b. inheritance of acquired characteristics
c. natural selection
d. survival of the fittest

5. Charles Darwin called the ability of an organism to survive and reproduce in its specific environment
a. diversity
b. fitness
c. adaption
d. evolution

6. Similar patterns of embryological development in different but related organisms are responsible for the formation of
a. homologous structures
b. analogous structures
c. Hox genes
d. intermediate fossil forms

7. If an allele makes up one half of the frequency of a population's allele for a given trait, its allele frequency is
a. 100 percent
b. 75 percent
c. 50 percent
d. 4 percent

8. The frequency of phenotypes for a typical polygenic trait is most often illustrated as
a. a scatter plot
b. a bell-shaped curve
c. a pie chart
d. a histogram

9. Which of the following events do biologists consider a random change?
a. directional selection
b. speciation
c. disruptive selection
d. genetic drift

10. Which of the following statements defines the members of a species?
a. They are temporarily isolated from each other
b. The are geographically isolated from each other
c. They mate and produce offspring
d. They have identical genes

Respuesta :

The best and most correct answers from the set of questions above is as follows:

4.  b. inheritance of acquired characteristics 

5.  c. adaption

6. a. homologous structures 

7.  b. 75 percent 

8. b. a bell-shaped curve

9. c. disruptive selection 

10. d. They have identical genes

I hope my answer has come to your help. God bless and have a nice day ahead!

4.  The correct answer is option "B" which is the inheritance of acquired characteristics.

5.    The correct answer is option "C" which is an adaption.

6.   The correct answer is option "A" which is homologous structures.

7.    The correct answer is option "B" which is 75 per cent.

8.  The correct answer is option "B" which is a bell-shaped curve.

9. The correct answer is option "C" which is a disruptive selection.

10. The correct answer is option "D" which is that They have identical genes.

What are Homologous structures?

Homologous structures are similar physical features in organisms that share a common ancestor, but the features serve completely different functions.

Thus, the following are the answers to the given questions.

To learn more about Homologous structures click here:

https://brainly.com/question/7904813

ACCESS MORE