16.- Speciation: Of ligers & men

PEDRO ALVAREZ JIMENEZ
Quiz by PEDRO ALVAREZ JIMENEZ, updated more than 1 year ago
PEDRO ALVAREZ JIMENEZ
Created by PEDRO ALVAREZ JIMENEZ over 5 years ago
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Description

https://www.khanacademy.org/humanities/history/1600s-1800s/declaration-of-independence/v/all-men-are-created-equal

Resource summary

Question 1

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

Question 2

Question
How can we best describe what a specie is?
Answer
  • 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

Question 3

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

Question 4

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

Question 5

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

Question 6

Question
What is allopatric speciation?
Answer
  • A kind of speciation because of ethologic isolation
  • A kind of speciation because of physiological isolation
  • A kind of speciation because of geographic isolation

Question 7

Question
What would happen if you put a bunch of Chihuahuas and a bunch of wolfhounds on the same island?
Answer
  • 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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