The process in which populations gradually change over time.
What are the remains or imprints of once-living organisms found in layers of rock?
Fossils
What was the name of Darwin's ship?
The Beagle
A genetically determined characteristic is called a:
Trait
The period between the birth of one generation and the birth of the next is called
Generation time
What is a group of organisms that can mate with one another to produce fertile offspring?
Species
What is the historical sequence of life indicated by fossils found in layers of the Earth's crust?
Fossil record
What islands did Darwin land on to conduct his research?
Galapgos
The human practice of breeding animals or plants is called:
Selective Breeding
The formation of a new species is called
Speciation
Which bones of various species are similar?
Bones of the limbs
Which rock type are fossils found in most often?
Sedimentary
What was an obvious difference in Darwin's finches?
Beak size
The process by which individuals that are better adapted to their environment survive and reproduce more successfully is called:
Natural selection
When a population becomes _________ from the rest, speciation can begin.
Separated
Adaptations
What provides evidence that species existed?
Fossils
How old was Darwin when he graduated from college and set sail?
21
Name at least one animal that humans use selective breeding for today.
Dogs, cattle, pigs, etc.
Natural selection explains how ________ change.
Populations
Both _______ and _______ are types of adaptations.
Physical traits and behavioral traits
What animal was most likely a land animal before it became a sea animal?
Whale
Name two scientists from which Darwin studied?
Thomas Malthus and Charles Lyell
Name the four parts of natural selection:
Overproduction, inherited variation, struggle to survive, successful reproduction
When insecticides are used on bugs, natural selection helps them become _________ over time.
Resistant