Podcast
Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App
Questions and Answers
Which of the following best describes the evolution of complex structures?
Which of the following best describes the evolution of complex structures?
- They evolved from simpler versions that performed different functions.
- They evolved in increments from simpler versions that performed the same basic function. (correct)
- They evolved from unrelated structures through convergent evolution.
- They evolved suddenly without any intermediate forms.
What are the simplest eyes composed of?
What are the simplest eyes composed of?
- Patches of light-sensitive photoreceptor cells (correct)
- Light-sensitive pigments
- Photoreceptor cells and lenses
- Complex structures with multiple layers
What must be considered when identifying evolutionary trends?
What must be considered when identifying evolutionary trends?
- Only extant species
- Only extinct species
- All fossils, including those from extinct lineages (correct)
- Only fossils from the most recent time period
Which example shows a trend toward large, single-toed species?
Which example shows a trend toward large, single-toed species?
Signup and view all the answers
According to the species selection model, what determines evolutionary trends?
According to the species selection model, what determines evolutionary trends?
Signup and view all the answers
Do evolutionary trends imply an intrinsic drive toward a particular phenotype?
Do evolutionary trends imply an intrinsic drive toward a particular phenotype?
Signup and view all the answers
What is the result of evolution?
What is the result of evolution?
Signup and view all the answers
What is the main focus of evolutionary trends?
What is the main focus of evolutionary trends?
Signup and view all the answers
What is the relationship between complex structures and simpler versions?
What is the relationship between complex structures and simpler versions?
Signup and view all the answers
What determines the success of speciation in the species selection model?
What determines the success of speciation in the species selection model?
Signup and view all the answers
Flashcards are hidden until you start studying
