Evolution
This involves population and individuals
Evolution
The survival and reproduction of the organisms that are genetically best fit for their environment is called what?
Natural Selection
What is behavioral adaptation?
An organism changing its behaviour to better suit its environement.
True or false, similar embryos are an example of evidence for evolution?
True
What is Fitness?
The ability of an organism to survive and reproduce in its environment.
A theory (explanation) supported by evidence for how populations change over time.
evolution
The variety of dog and cat breeds that we have today are a product of _________ _____________.
Artificial Breeding (Selective Breeding)
What is Adaptation?
A variation in an organism that helps it survive
What is an example of a structure that is homologous to a cat’s paw.
a Dog’s paw, human arm, bat wing, whale flipper
What was the first set of organisms that lived on Earth
Bacteria
Who is the father of Evolution?
Charles Darwin
What is the name of the islands where Darwin studied and gathered his evidence on Natural Selection?
The Galapagos Islands
What is Camouflage?
An organism matches its surroundings in order to hide
What is an homologous structure?
Body parts that sharea similar structure due to a common ancestor.
What is the name for a group of organisms that look alike and can reproduce?
a species
True or false, evolution can only occur if the population has genetic variety?
True
How is the theory of natural selection different from Lamarck's theory?
Lamarck said that organisms acquire traits during their lifetime and then pass them on to their offspring
What is Mimicry?
An organism imitates an animal
Which do you predict to share more DNA. Humans and Chimpanzees, Or humans and carrots?
Humans and Chimpanzees.
Humans often accidently alter a species evolution by introducing a ______ _______.
Selective/environmental pressure
Two different organisms are alike, they share a ______ Ancestor.
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 _________ _______.
Acquired Trait
What is an example of Physiological Adaptation?
Venom on a snake.
What does the fossil record of the horse show?
Evolving from 5 toes to one hoof.
Why is it is important for new individuals to come into a population?
For genetic variety