Mutations
An example of an internal factor that can cause a mutation.
What is DNA replication or meiosis?
Factors that limit the survival of populations.
What are environmental pressures?
This is what GMO stands for
Genetically Modified Organism
The father of the theory of evolution by natural selection
Charles Darwin
These are organs or structures that are no longer needed but were used by ancestral species.
What are vestigial structures?
An example of an external factor that can cause a mutation
What is radiation or chemicals?
Define “species”
What is a group of closely related organisms who are capable of mating and producing fertile offspring?
Define artificial selection
What is the breeding of plants or animals to produce desired traits?
A common phrase used to describe natural selection
What is “Survival of the Fittest”?
These are traces or remains of organisms that lived long ago.
What are fossils?
Definition of mutation
What is a random change in genetic material?
Define “scientific theory”.
What is an explanation for the natural world that is supported by evidence.
Give an example of artificial selection.
dog breeds, GMOs, livestock, crops, etc.?
Define fitness.
What is ‘how well-suited an organism is for its environment’?
Birds, butterflies, and bats - which are most closely related and how do you know?
What are birds and bats because they have anatomical similarities?
Give an example of a beneficial mutation (explain why it’s helpful)
Answers will vary.
Process by which organisms change over time as a result of heritable traits
What is evolution?
Give an example of a benefit of raising GM crops.
What is: health benefits, end world hunger, cheaper production, decrease pesticide use, highly tested, very precise?
The original source of all variation in populations
What are mutations?
Embryological similarities support the notion that all living things descended from a _______ ________.
What is a common ancestor?
Give an example of a harmful mutation (explain why it is harmful)
Answers will vary.
Define “adaptation”.
What is a characteristic caused by mutation that is retained and passed to offspring?
Give an example of a risk of raising GM crops.
What is: unknown consequences, health risks, hurt small farmers, harm environment?
Evolution does not just require survival, organisms must _________.
What is ‘reproduce’?
1 DNA: ATTGCCCAATT 2 DNA: ATTGCCAAATT
3 DNA: ATTCCCCGCC
Which of these species are more closely related and how do you know?
What are species 1 and 2 - there are more DNA similarities between species 1 and 2 than with 3?