Evolution #1
Evolution #2
Evolution #3
Evolution #4
Evolution #5
100
Means to have a variety of traits in a population
Diversity
100
What does an organism's fitness mean?
The ability to survive and reproduce
100
When organisms disappear from the earth
What is Extinction
100
Proposed the theory of evolution by natural selection
Who was Charles Darwin
100
Name one thing we can compare organisms with to see if they share a common ancestor
bones, DNA
200
What was the environmental factor/pressure that caused the finches in the Galapagos Islands to develop different beak shapes?
Food
200
Traces of organisms left behind in rocks and amber
What is a fossil
200
The collection of all preserved organisms that scientists can compare with
What is the fossil record
200
The birds had different shaped beaks depending on the island they were from that Darwin studied
What are Finches
200
True or False: Individual organisms evolve
False
300
Structures that have no current function
What is Vestigial
300
These are homologous structures. Similarities in these limbs suggest...
What is a common ancestor
(and adapted to different environments)
300
A characteristic that helps an organism survive
What are Adaptions/favorable variations
300
Whale ancestors having back legs suggests what?
They lived on land
300
Species that have a wide variety of traits, what is most likely to happen to this species?
What is survive and reproduce
400
Study of organisms in their earliest stages of development. Lots of organisms look the same in this stage
What is embryology
400
What do modern whales have that suggests their ancestors used to walk on land?
What are hip/leg bones
400
True or False: Every organism that has lived has a fossil out there
False
400
Name two things that can be left behind as a fossil
bones, prints, leaves, bugs
400
Change over time
What is Evolution
500
Darwin would describe the overall changes in a population of elephants can best be as...
What is natural selection?
500
Islands that Darwin visited
What is Galapagos
500
When antibiotics are overused, what happens to the bacteria population?
What is select for resistant organisms?
500
Three sources of variation
Mutations, meiosis and sexual reproduction
500
True or false Darwin was looking for a scientific explanation for the diversity of life on Earth
What is true