Evolution
What is evolution?
Change of population over time
What is Natural Selection?
Organisms best adapted to their current environment survive and reproduce
What is survival of the fittest?
organisms who are best adjusted to their environment
What is descent with modification?
The offspring inherits their genetic material from their parents with slight modifications
Who is Darwin?
Scientist who developed the theory of evolution
Why is evolution important?
Understanding evolution helps us solve biological problems that impact our lives
Is Natural selection random?
Natural selection is not random. The survival and reproductive success of an individual is directly related to the ways its inherited traits function in the context of its local environment.
What is biogeography?
Geographic distribution of species
How is natural selection related to genetics?
Natural Selection creates some new alleles that increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.
Are mutations random? No, they are not random
No, they are not random
What is the theory of evolution?
Evolution suggests that we all are related and we gradually evolve over time.
Who proposed the idea of natural selection?
Charles Darwin
What is an adaptation?
A heritable characteristic that increases an organism’s ability to survive and reproduce in its environment
What do genes have to do with evolution?
Genes are the portions of an organism's DNA that carry the code responsible for building that organism in a very specific way.
What does struggle for existence mean?
Struggle for existence means the competition or battle for resources needed to live.
Are evolution and “survival of the fittest” the same thing?
Evolution refers to the changes in a species over time. “Survival of the fittest” is a term that refers to the process of natural selection.
What organism does Natural Selection provide?
It gives an organism best equipped to survive in one's environment.
What is another term for natural selection?
Selective breeding
What is comparative embryology?
Reveals similarities to visible in adult organisms
How do fossils prove the existence of evolution?
When looking at fossils of certain animals, you could tell the structure in the bones is very similar.
How does evolution happen?
Change in allele frequencies of a population over time, change in phenotype of a population over time, or populations accumulate adaptations over time to better suit their environment through natural selection
What is the difference between artificial selection and natural selection?
Artificial selection is selective breeding of plants and animals to promote the occurrence of desirable traits in offspring. Natural selection is the process which organisms that are most suited to their environment survive and reproduce
What is Artificial selection?
Selective breeding of plants and animals to promote the occurrence of desirable traits in offspring
What are homologous structures?
Structures that are similar in related organisms because they were inherited from a common ancestor
Are all species related?
Yes, we all came from the same branch, but we split as time went on.