Which of the following is NOT a component of the Theory of Evolution by Natural Selection?
competition for food and space
variation among species
inheritance of acquired characteristics
survival and reproduction
2. Multiple Choice
30 seconds
1 pt
A structure that seems to serve no purpose in an organism is called:
homologous
vestigial
dichotomous
fossilized
3. Multiple Choice
30 seconds
1 pt
In science, theories are:
an educated guess
a known fact
absolute and unchangeable
the best explanation for a set of data or observations
4. Multiple Choice
30 seconds
1 pt
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 became larger and browner. This is an example of:
divergence
homology
gigantification
industrial melanism
5. Multiple Choice
30 seconds
1 pt
Larmarke is to "Inheritance of Acquired Characteristics" as Darwin is to _____
divergence of related species
homologous structures
evolution by natural selection
speciation by common descent
6. Multiple Choice
30 seconds
1 pt
Any variation that can help an organism survive in its environment is called a(n):
adaptation
characteristic
competition
vestigial structure
7. Multiple Choice
30 seconds
1 pt
The strongest evidence for change over a long period of time comes from:
DNA
fossils
embryo studies
direct observation of living species
8. Multiple Choice
30 seconds
1 pt
The dog breeds we have today were developed through:
natural selection
artificial selection (selective breeding)
sexual selection
acquired selection
9. Multiple Choice
30 seconds
1 pt
The finches on the Galapagos island were similar in form except for variations of their beaks. Darwin observed that these variations were useful for: