Question | Answer |
Natural differences in traits within a species are called | Variations |
An inherited trait that helps an organism survive and reproduce is a(n) | Adaptation |
The process if inheriting traits that gives an advantage to survive and reproduce is | Natural Selection |
When all members of a species have died, this is | Extinction |
An early form of a species is a(an) | Ancestor |
A new form of a species that comes from an earlier form is a(n) | Descendent |
A trait an organism can acquire during its life (getting fatter, learning to fly) is a(n) | Acquired Trait |
Charles Darwin studied variations in populations on these famous islands | Galapagos |
Darwin studied the very different beaks of different populations of birds called | Finches |
An inherited characteristic is a(n) | Trait |
Humans select and breed plants and animals for desired traits in a process called | Artificial selection |
The flaw in Lamark's theory of acquired traits was that he thought the acquired traits could be passed to | Offspring |
Predation, disease and competition for food are called ___ factors, because they effect the survival of a population. | Limiting |
The process of an organisms producing more offspring than will survive is | Overproduction |
The types of organisms that will survive and the types that will die over great periods of time is influenced by changes in the | Environment |
Organisms that can reproduce with each other and produce offspring are in the same | Species |
What type of adaptation is the long tongue of a butterfly and the flying wings of a bat? | Physical |
What type of adaptation is the mating ritual of a bird or the forming of schools by fish? | Behavioral |
The theory of natural selction was developed in the 1800's by a man named Charles __ | Darwin |
The most obvious difference between the finches Darwin observed was the shape of their | Beaks |
The process in which all populations gradually change over time is | Evolution |
Darwin believed that traits could be inherited by offspring from their | Parents |
A record of organisms that lived in the past but are extinct today is recorded by nature in | Fossils |