W1 L1 Darwin legacy W

Question 1

Evolution in the public mind

Answer 1

• an established but contentious idea that probably contributes to explaining our past
  -*a helpful, but unverified narrative tool for natural history documentaries

Question 2

Evolution for biologist

Answer 2

-a unifying conceptual framework, but typically not fully understood by most biologist
-the role of natural selection extensively demonstrate by field and lab exp
-enable us to ask fundamental problems
- abit hard to justify why should we study it

Question 3

Why should we study evolution

Answer 3

• evolutionary theory crucial for understanding our past
  -popular application of evolutionary theory to human behavior is often misplaced with regrettable consequences
  *evolutionary theory rarely applied to help manage or resolve biological threats to humanity

Question 4

Biological diversity across species

Answer 4

About 1,5 million species have been given name
Most diverse are insect with 50% are beetles

Question 5

Type of Bio diversity within species

Answer 5

Phenotypic diversity : observed variations among individuals in morphology, development or behavioral
Genotyping diversity: the gene the organism inherit ( differences are sometime invisible)

Question 6

What is evolution

Answer 6

• Any changes in the inherited trait of a population that occurs from one generation to the next
  -Helps to explain both the diversity and unity of life

Question 7

Our future— human selection pressures

Answer 7

• In New York City, 33% cases of TB are caused by strains resistant to one antibiotic
• 3% of new and 7% of recurrent cases of TB are resistant to two or more antibiotics
• survival rate of people infected with TB resistant to multiple drugs is the same as before antibiotics were invented