questions on biology evolution
Answers
1. The image illustrates what evolutionary concept?
embryological similarities
variation among species
vestigial structures
homologous structures
2. 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
3. A structure that seems to serve no purpose in an organism is called:
homologous
vestigial
dichotomous
fossilized
4. In science, theories are:
an educated guess
a known fact
absolute and unchangeable
the best explanation for a set of data or observations
5. 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
6. 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
7. Any variation that can help an organism survive in its environment is called a(n):
adaptation
characteristic
competition
vestigial structure
8. The strongest evidence for change over a long period of time comes from:
DNA
fossils
embryo studies
direct observation of living species
9. The dog breeds we have today were developed through:
natural selection
artificial selection (selective breeding)
sexual selection
acquired selection
10. The finches on the Galapagos island were similar in form except for variations of their beaks. Darwin observed that these variations were useful for:
attracting a mate
defending territory
building nests
gathering food
1) Isn't evolution just a theory that remains unproven?
2) Are all species related?
3)What is a species?
4)What do genes have to do with evolution?
5)What role does sex play in evolution?
6)Is evolution a random process?
7)Are evolution and "survival of the fittest" the same thing?