Natural Selection. Unit Target: Evolution explains the unity and diversity of life. Learning Target: Evaluate current evolutionary studies involving molecular biology. (reasoning). Truth or Baloney: DNA is a code. Truth
Unit Target: Evolution explains the unity and diversity of life.
Truth or Baloney:
DNA is a code.
If we learn the DNA code for each organism we will be able to determine if species are related.
If we learn how species are genetically related we can also learn more about how they evolved.
Which of the following is a concern that may arise from synthetically manufactured living things.
Circle the word that best completes the sentence.
Artificial selection is the process by which (humans / nature ) select(s) which traits will be passed down to offspring.
The botanist chose the two types of apples he wanted to cross breed.
It took 5 growing seasons to produce a large, yellow, tart baking apple
There are many different types of apples.
The combination of two apple tree varieties will produce genetically different offspring.
Circle the word that best completes each sentence.
In natural selection, ( humans / nature ) choose(s) which species will survive and reproduce.
Adaptations must be inherited.
Adaptations prevent a species from surviving and reproducing.
Baloney. Adaptations allow a species to survive and reproduce.
All are example of fitness because all of the examples explain why an organisms is suited to its environment making it more likely to survive and reproduce.
Natural selection acts on ( acquired / inherited ) traits.
Natural selection refers to the ability of an organism to survive and reproduce- therefore, offspring inherit the parents traits.
Acquired traits refer to a trait that is not dependant upon inheritance but is usually affected by the environment. We discussed this during genetics. You may inherit the ability to speak but you acquire the ability to speak English because you live with a family that speaks English.
Which of the following is not an example of natural selection?
C. This is an example of artificial selection.
How was “Survival of the Fittest” modeled in the “Natural Selection Lab” performed in class?
C. “Survival of the fittest” is the ability of an organisms to survive and reproduce because it is suited or “fit” for its environment.
An organism that inherits traits suited to its environment will show decreased fitness.
Baloney. Inheriting traits suited to the environment will increase fitness.