Evolution - III - Evidence to Support

Question 1

How can bacteria support the theory of evolution?

Answer 1

Antibiotic resistant bacteria have come into existance with the use of antibiotics.

Question 2

How does fossil record support the theory of evolution?

Answer 2

• shows species that lived long ago that share similarities with species that now live on Earth
• fossils contain features shared by different species

Question 3

What are homologous structures?

Answer 3

• Anatomically similar structures inherited from a common ancestor
• Example: bones of vertebrates

Question 4

What are vestigal structures?

Answer 4

Structures that are reduced forms of

functional structures in other animals

Example: appendix in humans,

wings on ostrich

Question 5

What are analogous structures?

Answer 5

Structures used for the same purpose and are similar in construction but are NOT from a common ancestor

Example: Wings of a bird and insect

Question 6

How does molecular DNA support the theory of evolution?

Answer 6

There are Similar biochemical patterns in

proteins among different organisms.

Question 7

What is **embryology **and how does it support

the theory of evolution?

Answer 7

Study of embryonic development

Vertebrate embryos have homologous structures

during certain phases of development