Evolution and More

Question 1

Galapagos island finches

Answer 1

The Various different finches who with noticeable differences evolved apart from each other.

Question 2

Charles Darwin

Answer 2

The man who did research on the Galapagos island finches

Question 3

Founders Arrive

Answer 3

Finches arrived to the Galapagos and started reproducing

Question 4

Geographic Isolation

Answer 4

Some finches moved to other islands

Question 5

Changes in the gene pool occur

Answer 5

The separated finches change genes and mutate to survive better in their new environment

Question 6

Reproductive isolation occurs

Answer 6

Finches from different islands are so different now that they wont breed and reproduce

Question 7

Continued evolution produces more species

Answer 7

More and more diversity, species are designed to live in their environment

Question 8

Mutations

Answer 8

A change in the DNA sequence of an organism.

Question 9

Genetic Recombination

Answer 9

Exchange in the genetic material between different organisms. Results in offspring with random combinations of genes from the parents.

Question 10

Lateral Gene transfer

Answer 10

Movement of genetic info across normal mating Barrie’s, between more or less distantly related organisms.

Question 11

Single gene traits.

Answer 11

Affected by 1 gene, inheritance is by one gene.

Question 12

Polygenic traits

Answer 12

Affected by more than one gene, Multiple phenotypes

Question 13

Homologous Structures

Answer 13

Two structures inherited from a distant relative but not having the same function

Question 14

Analogous Structures

Answer 14

Two structures with the same function but no distant relative.

Question 15

Vestigial organs

Answer 15

Inherited organs from ancestors that have lost most of their original size and function due no not being needed but not being harmful.