Evolution and speciation

Question 1

Why Lamarckism is not longer accepted?

Answer 1

Acquired adaptations don’t affect germ cells- don’t pass to offspring

Question 2

What is selective breeding?

Answer 2

Select individual with desirable traits to breed

Question 3

What is an homologous structure?

Answer 3

Structure shared with a common ancestor develops a different function

Question 4

What is an analogous structure?

Answer 4

Same function but different structure
(wings of a butterfly/bird)

Question 5

What is divergent evolution?

Answer 5

Pattern of evolution when organisms come from a same ancestral specie but develop different cause environmental factors

Question 6

What is covergent evolution?

Answer 6

Pattern of evolution when distan organisms develop similar trait due to similar environment

Question 7

How does speciation work?

Answer 7

Change original gene pool intro separate and prevent interbreeding

Question 8

What is differencial selection?

Answer 8

Difference (mean cualitative character- mean individuals selected)

Question 9

What is adaptative radiation?

Answer 9

Evolution new species, same ancestor using different ecological niches

Question 10

What is allopolyploid species?

Answer 10

A type of polyploid when they have multiple sets from parental species (hybrid)