Topic 1

Question 1

define microevolution

Answer 1

small scale genetic changes over a few generations. Occur belows species level: breeds.

• Mutations
• Natural/artificial selection
• Gene flow (transfer of genes from a population to another)
• Genetic drift (changein the frequency of an allele in a population)
• Non random mating

Question 2

define macroevolution

Answer 2

large scale gene change over a geological time period.

Question 3

name the 5 degrees of domestication

Answer 3

1. wild
2. pre-domesticated
   - bred by human control, but wild behavior
3. semi-domesticated
   - raise commercially(farmed/ranched) for ex food, trade
   - no change in group or appearance
4. full domestication
   - bred and raised by humans for many generations
   - altered group and appearance
5. re-domestication
   - wild animal descended from domesticated ones = feral, - - feral animal back to domestication

Question 4

name 4 reasons for domestication

Answer 4

1. production
2. work help
3. protection
4. companion animals

Question 5

name 5 criteria for an animal to be considered domesticated

Answer 5

1. flexible diet: cost effective
2. fast growth rate: ex broilers
3. ability to breed in captivity
4. pleasent temprement
5. humans = leaders, modified social hierarchy

Question 6

name the ancestor, date and local of

horse

Answer 6

forest wild horse
4000 BC
europe

Question 7

name the ancestor, date and local of

swine

Answer 7

wild boar
8000-9000 BC
asia, europe

Question 8

name the ancestor, date and local of

cattle

Answer 8

aurochs
8000 BC
india europe

Question 9

name the ancestor, date and local of

sheep

Answer 9

red wild sheep
9000-11000 BC
asia

Question 10

name the ancestor, date and local of

goat

Answer 10

bezoar boat
10 000 BC
asia

Question 11

name the ancestor, date and local of

dog

Answer 11

wolf
15 000 BC
europe

Question 12

name the ancestor, date and local of

cat

Answer 12

nubian wild cat
8000 BC
egypt

Question 13

name the ancestor, date and local of

guinea pig

Answer 13

south america wild guinea pig
5000 BC
america

Question 14

name the ancestor, date and local of

lab mice, lab rat

Answer 14

wild mouse - norwegian wild rat

19th century