BS2 - Similarity and kinship

Today's lesson
  1. HW review
  2. Test Yourself Online - 3.1
  3. Basics 2: Similarity and Kinship
  4. You know the difference between species and breeds
  5. You know how groups depend on similar features
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Slide 1: Diapositive
BiologieMiddelbare schoolvwoLeerjaar 1

Cette leçon contient 11 diapositives, avec quiz interactif, diapositives de texte et 2 vidéos.

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Today's lesson
  1. HW review
  2. Test Yourself Online - 3.1
  3. Basics 2: Similarity and Kinship
  4. You know the difference between species and breeds
  5. You know how groups depend on similar features

Slide 1 - Diapositive

HOMEWORK CHECK

Slide 2 - Diapositive

Write the sentence you use to remember all the classification group names.

Slide 3 - Question ouverte

Slide 4 - Vidéo

Basics 2 - Similarity and kinship
  • kinship = verwantschap 
  • Organisms from the same genus                                                     have a lot of similarities
  • example: Lion and a tiger
  • Organisms from the same kingdom have fewer similarities
  • example: Fish and a zebra

Slide 5 - Diapositive

Species?
  • What is a species?
  • Organisms that reproduce together and make fertile offspring. 
  • They make babies that can                                                                have babies.

Slide 6 - Diapositive

Slide 7 - Vidéo

Breed?

Slide 8 - Diapositive

Evolution
  • Organisms that belong to the same species                            have a lot of similarities
  • Variation
  • Selection - a bird can not see the dark snails so eats the light ones first. The dark shells survive and make babies. Become more common.
  • Evolution

Slide 9 - Diapositive

Kinship
Animals with a close common ancestor 
are closely related 
  • More closely related means 
       more similarities in DNA                                             overeenkomst in DNA
common ancestor of Tuna, salmander, turtles and leopards
Common ancestor of all these groups
Common ancestor of turtles and leopard

Slide 10 - Diapositive

To do:
Read 176 t/m 178
Do Qs 5, 6, 7 and 8

Slide 11 - Diapositive