Unit 3-Lesson 4

Question 1

Explain Darwins Finches

Answer 1

• Differences in beaks allowed some finches to
  
  • Successfully compete
  • Successfully feed
  • Successfully reproduce
  • Pass successfully traits onto their offspring

Question 2

Explain the LaMarckian vs. Darwinian view

Answer 2

• LaMarck
  
  • in reaching higher vegetation giraffes stretch their necks and transmits the acquired longer necks offspring
• Darwin
  
  • giraffes born with longer necks survive better and leave more offsprings who inherit their long necks

Question 3

What is the Big idea 1?

Answer 3

The process of evolution drives the diversity and unity of life

Question 4

What are the lines of evidence that support Darwins ideas?

Answer 4

• Fossil record
• Artificial Selection
• Anatomical evidence
• Comparative hemoglobin structure

Question 5

What is the Homologous Structures?

Answer 5

Similar structures that have changed to suit that environment. Common ancestor.

Question 6

What is the Analogous Structures?

Answer 6

Similar structures that evolved separately in response to similar environmental pressures

Question 7

What is convergent evolution?

Answer 7

Organisms that look similar and have similar adaptation without a common ancestor

Question 8

What is parallel evolution?

Answer 8

Organisms that evolved independently without a common ancestor at the same time

Question 9

What are Vestigial organs?

Answer 9

Vestigial structures are various cells, tissues and organs in a body which no longer serve a function. These features would have been used by an ancestral species