Cette leçon contient 10 diapositives, avec quiz interactifs.
La durée de la leçon est: 45 min
Éléments de cette leçon
The image illustrates what evolutionary concept?
A
embryological similarities
B
variation among species
C
vestigial structures
D
homologous structures
Slide 1 - Quiz
Which of the following is NOT a component of the Theory of Evolution by Natural Selection?
A
competition for food and space
B
variation among species
C
inheritance of acquired characteristics
D
survival and reproduction
Slide 2 - Quiz
A structure that seems to serve no purpose in an organism is called:
A
homologous
B
vestigial
C
dichotomous
D
fossilised
Slide 3 - Quiz
In science, theories are:
A
an educated guess
B
a known fact
C
absolute and unchangeable
D
the best explanation for a set of data or observations
Slide 4 - Quiz
A group of mice becomes separated by the formation of a river. Over time, the northern mice became smaller and whiter, while the southern mice become larger and browser. This is an example of?
A
divergence
B
homology
C
gigantification
D
industrial melanism
Slide 5 - Quiz
Larmarch is to Inheritance of Acquired Characteristics as Darwin is to be ___
A
divergence of related species
B
homologous structure
C
evolution by natural selection
D
speciation by common descent
Slide 6 - Quiz
Any variation that can help an organism survive in its environment is called a(n)?
A
adaptation
B
characteristic
C
competition
D
vestigial structure
Slide 7 - Quiz
The strongest evidence for change over a long period of time comes from:
A
DNA
B
fossils
C
embryo studies
D
direct observation of living species
Slide 8 - Quiz
The dog breeds we have today were developed through:
A
natural selection
B
artificial selection (selective breeding)
C
sexual selection
D
acquired selection
Slide 9 - Quiz
The finches on the Galapagos island were similar in form except for variation of their backs. Darwin observed that these variations were useful for: