EES_Y3_LSN2

EES_Y3_LSN2
Evolution, Ecology & Sustainability
1 / 14
suivant
Slide 1: Diapositive
BiologieMiddelbare schoolvwoLeerjaar 3

Cette leçon contient 14 diapositives, avec quiz interactifs, diapositives de texte et 2 vidéos.

time-iconLa durée de la leçon est: 45 min

Éléments de cette leçon

EES_Y3_LSN2
Evolution, Ecology & Sustainability

Slide 1 - Diapositive

The dog breeds we have today were developed through:
A
natural selection
B
artificial selection (selective breeding)
C
sexual selection
D
acquired selection

Slide 2 - Quiz

The best description of natural selection is
A
The survival of the fittest
B
The struggle for existence
C
The reproductive succes of the members of a population best adapted to the environment
D
the overproduction of offspring in environments with limited natural resources

Slide 3 - Quiz

Darwin proposed the idea of 'survival of the fittest'. Which of the following individuals are meant by 'fittest'?
A
The individuals who live longest
B
The individuals who are the strongest
C
The individuals who get the most offspring
D
The individuals who are the biggest

Slide 4 - Quiz

What is required for natural selection to occur?
A
Variation within a species
B
Variation between species
C
No change in environmental factors

Slide 5 - Quiz

What might happen to a species if it didn't have a a lot of genetic variation to adapt to a
changing environment?
A
It might evolve into another species
B
It might change its genotype to get more variation
C
It might become a less complex species
D
It might become extinct

Slide 6 - Quiz

Lesson 2 - Populations: P. 267-269, 285-289 
Learning goals:

  • I can explain how populations grow.
  • I can explain how population growth is researched.
  • I can explain & apply different types of population research.
  • I can explain how population researches can be used to show the evolution of a species.


Keywords:

  • Exponential growth
  • Carrying capacity
  • Limit
  • Population research
  • Sample
  • Quadrat
  • Percentage cover
  • MRR-method



Slide 7 - Diapositive

Population growth:
Population growth:

  • Under ideal circumstances (food, shelter, space & competition) a population can have exponential growth. 
  • Certain factors can limit the growth of a population. 
  • The maximum an area can handel of one species is called the                carrying capacity.





Slide 8 - Diapositive

Population Research:
Population Research:

  • Samples
  • Percentage cover / Quadrat
  • MRR-method





Slide 9 - Diapositive

Slide 10 - Vidéo

Slide 11 - Vidéo

Lesson 2 - Populations: P. 267-269, 285-289 
Learning goals:

  • I can explain how populations grow.
  • I can explain how population growth is researched.
  • I can explain & apply different types of population research.
  • I can explain how population researches can be used to show the evolution of a species.


Keywords:

  • Exponential growth
  • Carrying capacity
  • Limit
  • Population research
  • Sample
  • Quadrat
  • Percentage cover
  • MRR-method



Slide 12 - Diapositive

Worksheets:
Worksheets:

Brown lipped snail

Peppered moth

Slide 13 - Diapositive

Homework for Lesson 3:
To be completed by the next lesson (lsn3):

  • Complete ex. 4 on page 275, ex. 15 & 16 on page 281
  • Read tb pages P. 270-272
  • make exercises lesson 2






Slide 14 - Diapositive