16.- Speciation: Of ligers & men

Descripción

https://www.khanacademy.org/humanities/history/1600s-1800s/declaration-of-independence/v/all-men-are-created-equal
PEDRO ALVAREZ JIMENEZ
Test por PEDRO ALVAREZ JIMENEZ, actualizado hace más de 1 año
PEDRO ALVAREZ JIMENEZ
Creado por PEDRO ALVAREZ JIMENEZ hace más de 9 años
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Resumen del Recurso

Pregunta 1

Pregunta
What is it that makes us human?
Respuesta
  • Bipedal, big brain and two legs
  • Bipedal, lack of body hair and two legs
  • Bipedal, big brain and lack of body hair

Pregunta 2

Pregunta
How can we best describe what a specie is?
Respuesta
  • A group of organisms with similar characteristics
  • A group of organisms that can interbreed and produce fertile offspring
  • A group of organisms that share the same genotype

Pregunta 3

Pregunta
What is the most important characteristics of a liger?
Respuesta
  • It is a big animal
  • It is a an intermediate form between two felines
  • It is a sterile animal

Pregunta 4

Pregunta
The crossbreeding of two different species is a dead end, Why?
Respuesta
  • Because it results in a infertile individual
  • Because it cannot keep on evolving
  • Because it causes its death

Pregunta 5

Pregunta
What is Post-zygotic Isolation?
Respuesta
  • To be not able to produce gametes
  • To be not able to produce zygotes
  • To be not able to produce fertilization

Pregunta 6

Pregunta
What is allopatric speciation?
Respuesta
  • A kind of speciation because of ethologic isolation
  • A kind of speciation because of physiological isolation
  • A kind of speciation because of geographic isolation

Pregunta 7

Pregunta
What would happen if you put a bunch of Chihuahuas and a bunch of wolfhounds on the same island?
Respuesta
  • What a party…Oh my God!
  • What a party!… but Pre-zygotic obstacles would appear
  • What a party!… but Post-zygotic obstacles would appear
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