Evolution
The change in the characteristics of a species over several generations and relies on the process of natural selection.
What is Evolution?
The survival and reproduction of the organisms that are genetically best fit for their environment
What is the definition of Natural Selection?
Things organisms do to survive is what type of adaptation?
What is behavioral adaptation?
The hip bones of a dolphin and the tailbone of a human
What are Vestigial Structures?
The ability of an organism to survive and reproduce in its environment.
What is Fitness?
Evolution happens to ___________ not ___________
populations, individuals
The variety of dog and cat breeds that we have today are a product of _________ _____________.
What is Artificial Breeding (Selective Breeding)
A variation in an organism that helps it survive
What is Adaptation?
An example of a structure that is homologous to a cat’s paw.
What is a Dog’s paw, human arm, bat wing, whale flipper
Occurs when populations of the same species begin to develop different behaviors that are not recognized or preferred by members in another population.
What is Behavioral isolation?
What animal did Charles Darwin eat and say that it was the worst tasting thing he had ever had?
What is an owl?
The name of the islands where Darwin studied and gathered his evidence on Natural Selection
What are The Galapagos Islands?
An organism matches its surroundings in order to hide
What is Camouflage?
Body parts that share a common function but have a different structure
What is an analogous structure?
A group of organisms that look alike and can reproduce
What is a species?
Evolution can only occur if this is involved
What is Genetic Variety?
Lamarck said that organisms acquire traits during their lifetime and then pass them on to their offspring
How is the theory of natural selection different from Lamarck's theory?
An organism imitates an animal
What is Mimicry?
Two organisms share a large amount of similar DNA
What are siblings?
The evolutionary process by which populations evolve to become distinct species
What is speciation
A set of organisms is the most recent individual from which all the organisms of the set are descended from.
What is a Common Ancestor?
A little child catches a fly and pulls its wings off. The fly actually lives a better life, but does not pass its lack of wings on to its offspring because the loss of wings is an _________ _______.
What is an Acquired Trait?
The venom of the black mamba snake is an example of a type of adaptaion
What is an example of Physiological Adaptation?
In embryology, the embryos are very similar to each other
What is a common ancestor?
Individuals coming into a population is known as _______ and individuals leaving a population is called __________.
What is immigration, emigration