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Biology- Quiz #7

QuestionAnswer
In science, an observation that has been repeatedly confirmed and for all practical purposes is accepted as "true." Fact.
A well-tested explanation for a wide range of observations or experimental results. Scientific theory.
A rule that describes a pattern in nature. Scientific law.
A characteristic that improves an individual's ability to survive and reproduce in a particular environment. Adaptation.
Ability of an organism to survive and reproduce in its environment. Fitness.
A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits. Natural selection.
Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms. Evolution.
A form of natural selection in which individuals with certain inherited characteristics are more likely than other individuals to obtain mates. Sexual selection.
Selection by humans for breeding of useful traits from the natural variation among different organisms. Artificial selection.
All the genes, including all the different alleles for each gene, that are present in a population at any one time. Gene pool.
A characteristic that improves an individual's ability to survive and reproduce in a particular environment. Adaptation.
Change in a DNA sequence that affects genetic information. Mutation.
Differences in physical traits of an individual from the group to which it belongs. Variation.
Environmental conditions that select for certain characteristics of individuals and select against other characteristics. Selective pressure.
A behavior in which a predator attacks only individuals with certain characteristics in a population of potential prey. Selective predation.
An inherited physical characteristic that helps an organism survive in its environment. Structural adaptation.
A physical or chemical event that occurs within the body of an organism and enables survival. Physiological adaptation.
An inherited behavior that helps an organism survive. Behavioral adaptation.
Process by which unrelated organisms independently evolve similarities when adapting to similar environments. Convergent evolution.
A branching diagram that organizes relationships between species. Cladogram.
A species that has multiple descendants in a lineage. Common Ancestor.
A hypothesis of evolutionary relationships among species. Phylogeny.
A group of organisms that includes all the descendants of a common ancestor and that ancestor. Clade.
A trait that evolved in the lineage that doesn't belong to the species before it. Derived Character.
A trait that two or more lineages have in common. Shared Derived Character.
Based on new traits developing over time and being passed on to descendants. Cladogram.
The branch of science concerned with classification of organisms. Taxonomy.
Domain characterized by cells containing organelles and a nuclear membrane. Eukaryote.
Bacteria would be an example of a _________. Prokaryote.
The largest and most inclusive taxa. Domain.
Created by: 23Witaszek
 

 



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