Flashcards in Quiz 1 Deck (59)
What is the definition of evolution?
A change in the heritable characteristic(s) of a population over time
Why do we study evolution? (two things)
To understand who we are as human beings and to understand the natural world around us
What is described at controlled breeding?
What are the 2 things that sparked Darwin's imagination?
artificial selection and the natural world
Who looked at cork bark and called the compartments "cells"?
What is the modern definition of a cell?
Containing all the chemical components needed to sustain life and is bounded by a plasma membrane
Who described animal cells?
Antony van Leeuwenhoek
What are the 2 parts of cell theory?
1. all organisms are composed of cells
2. all cells arise from existing cells
What idea did Darwin and Wallace introduce?
That species characteristics change over time
What are the 2 components of Darwin's "Origin of the Species" book?
1. Life is the product of continuous change
2. All species arose from a single common ancestor
What is the definition of a population?
a group of individuals of the same SPECIES living in the SAME AREA at the SAME TIME
What is the definition of a trait?
a distinguishing feature of an organism
What does natural selection act on?
What does evolution act on?
What was the popular belief prior to Darwin?
The theory of Special Creation
What are the two main ideas of the theory of Special Creation?
1. That all species were created by God
2. Species are immutable / incapable of change
What did Darwin suggest?
That the Earth was ancient, and that species are capable of change over time
What did Plato suggest?
That the world wasn't changing but was imperfect
What did Aristotle create?
The Great Change of Being (ordered all the organisms)
What did Linnaeus create?
Genus + Species
What did Lamarck do that had the greatest impact?
Greatly influenced Darwin with his hypothesis
What was the largest point that Lamarck was trying to get across?
Individuals change as they respond to their environment and it is PASSED ON TO OFFSPRING
What did Malthus create and suggest?
The "Principles of Populations" and suggested that people regulate family size
What did Lyell propose?
Slow moving forces continue to change the elements of earth and it's organisms
Who was Darwin's "Bulldog"?
What did Darwin originally go to school for? (two things)
1. Med school
Who was a friend and mentor to Darwin and convinced him to go on his voyage?
What was the name of the ship of the voyage?
Who was the captain of HMS Beagle?