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