Darwin published his scientific ideas in a work titled _____________________.
What is On the Origin of Species
100
These scientists' work suggested that the Earth is many million of years old.
Who are Hutton and Lyell
100
Type of selection where one extreme phenotype is more fit.
What is directional selection.
100
A change in a sequence of DNA is called a _______________.
What is mutation
100
When a farmer breeds only his or her best livestock, the process involved is _________________.
What is artificial selection
200
Charles Darwin called the ability of an organism to survive and reproduce in its specific environment ____________.
What is fitness
200
A major concept included in his theory of evolution was that body structure can change according to the actions of the organism (use and disuse).
Who is Larmarck
200
Type of selection where both extreme phenotypes in a population are more fit than the average phenotype.
What is disruptive selection
200
The two main sources of genetic variation are ___________ and _________________.
What are mutations and gene shuffling
200
When lions prey on a herd of antelopes, some antelopes are killed and some escape. Which part of Darwin's concept of natural section might be used to describe this situation?
What is survival of the fittest
300
Charles Darwin proposed a hypothesis that species change over time by a process called ________________.
What is natural selection
300
This scientist proposed that organisms have an innate tendency toward complexity and perfection?
Who is Lamarck
300
Type of selection where the average phenotype is more fit than either extreme phenotype
What is stabilizing selection
300
Gene shuffling includes independent assortment of chromosomes during meiosis as well as ___________.
What is crossing over
300
All the genes of all members of a particular population make up the population's __________.
What is gene pool
400
Darwin spent five years on a ship called the _______________ charting the South American coastline and the Galapagos Islands.
What is HMS Beagle
400
Darwin was prompted to publish his theory of evolution because of an essay by ______________________ on evolution.
Who is Wallace
400
The phenotypes for a typical polygenic trait can often be expressed as a ___________________.
What is bell-shaped curve
400
In small populations, allele frequencies tend to change simply by chance. This is known as __________.
What is genetic drift (founder effect).
400
Certain animal structures that have different functions in different species and develop from the same embryonic tissues are called _____________________.
What are homologous structures
500
Name 2 of the 3 types of organisms that Darwin is most famous for studying while on the Galapagos Islands.
What are tortoises, finches, & mocking birds.
500
This economist suggested that one day there would be insufficient food for the growing human population?
Who is Thomas Malthus
500
The situation in which allele frequencies of a population remain constant is called _____________.
What is genetic equilibrium
500
According to this principle, allele frequencies in a population will remain constant unless one or more of five specific factors cause those frequencies to change.
What is the Hardy-Weinberg Principle
500
If two populations have been reproductively isolated and can no longer breed and produce fertile offspring, the process of ________________ has occurred.