all the organisms of one species that live in a certain place
Population
an adaptation that occurs WITHIN the body, organs, and/or tissues of an organism as a response to an environmental change
Physiological Adaptation
When most species produce far more offspring than can actually survive is an example of?
Overproduction
Plants get energy from sunlight, but animals get energy from
the food they eat
Darwin wrote that organisms with traits that are best suited to the environment will ________________
Increase in number
When members of a species must compete to survive is an example of?
Competition
The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________
Adaptation
What is the advantage of having different shaped beaks?
To be able to eat the food readily available in the environment.
a quick, automatic response to a stimulus
Reflex
traits that involve the physical structure of an organism
structural adaptation
inherited traits that help an organism survive and reproduce in a given environment
behavioral adaptation
a behavior that has been learned from experience or observation
Learned Behavior
a change in an organism's surroundings that causes the organism to react
Stimulus
When an organism completely dies out, it is called.....
Extinction
What gave Charles Darwin the idea of evolution?
Finches in the Galapagos island
the hooves of a horse to dig into the dirt for traction
structural
What is the process in which organisms that are better adapted to their environment are more likely to survive and reproduce than those who are less adapted.
Natural Selection
How long does it usually take for a trait to become an adaptation of an entire species?
hundreds of generations or more
What is a change in an organism that allows for it to survive in its environment?
Adaptation
Another word for adapt is ____________.
change
Remains of ancient organisms are called
fossils
The gradual change in species over time is...
evolution
What is another name for natural selection?
survival of the fittest
collecting food and storing it for the long winter
behavioral
An adaptation in which an animal looks very much like another animal or an object.
Mimicry
When members of the same species often have different traits is an example of?
Variation
To adjust to a changing environment
to adapt
migration of birds
behavioral
Who was the naturalist that traveled the world to study plants and animals?