Evolutionary Relationships
Embryonic development offers insight into evolutionary relationships by __.
What are similarities in embryonic development across different species suggest shared evolutionary origins and provide insights into their relationships?
The first factor of evolution:”the potential for a species to increase in number,” Why is this important for natural selection?” __
What is the potential for a species to increase in number means populations produce more offspring than the environment can support?
Darwin’s Finches have ___ that are of different sizes and shapes to accommodate the different food sources on the Galapagos Islands of South America.
What are beaks?
Natural selection is defined as__.
What is when organisms adapted to their environment survive and produce more offspring.
The heritable genetic variation of traits arises through __which creates alleles and sexual reproduction which rearranges the alleles in unique combination
What is mutation?
Adaptation is __.
What is a permanent, veritable change in the DNA sequence of an organism, acting as the primary source of genetic variation?
The four factors of natural selection interact to ___.
What is a shift the genetic make-up of a population over generations?
On the Origin of Species is the title of a famous book written on the theory of evolution by natural selection. The author of this book is ___ ___.
What is "On the Origin of Species"?
The molecular evidence(e.g., DNA and protein similarities) for evolution is __.
What is the confirmation of evolutionary relationships by comparing genetic and amino acid sequences across species?
The role of heritability in natural selection is__.
What is the same species share different body parts, suggesting they inherited these traits from one ancestor, but evolved over time?
Fossil evidence supports the theory of evolution by__.
What is by providing a “physical “diary” of how life changed over billions of years showing that past organisms were different from organisms found today?
The evolutionary meaning of the word fitness versus the common meaning of the word fitness is __
What is evolutionary fitness ensures an organism’s reproductive success and genetic contribution to the environment?
Charles Darwin took a significant voyage to__.
What is collect and observe unique and various species across South America and the Gapalagos Islands?
Descent with modification is__.
What is the foundational principle that species change over time inheriting traits for common ancestors while accumulating small, heritable modifications across generations?
When dark-shelled beetles in dark soil are less visible to predators, so they survive better and reproduce more leading to more dark-shelled beetle over time.
What is this an example of adaptation?
The proliferation of those organisms that are better able to survive and reproduce in the environment. What does the word “proliferation” mean in this context?
What is the cumulative generation-by-generation increase of advantageous, inheritable traits within a population?
The first factor of evolution:”the potential for a species to increase in number,” Why is this important for natural selection?” __
What is the potential for a species to increase in number means populations produce more offspring than the environment can support?
Who is the scientist credited with the theory of evolution by natural selection that is accepted today?
Who was Charles Darwin?
A classic example of adaptation of the __.
What is the long, specialized tongue of a hummingbird?
Comparative anatomy, e.g., homologous structures provide evidence for common ancestry by__.
What is the different species share similar body parts, suggesting they inherited these traits from one ancestor but evolved over time?
Evolution is defined as __.
What is a process of change over time?