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Lesduur is: 45 minOnderdelen in deze les
Slide 1 - Tekstslide
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 - Quizvraag
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 - Quizvraag
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 - Quizvraag
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 - Quizvraag
What might happen to a species if it didn't have a a lot of genetic variation to adapt to a
changing environment?
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
