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Vocab Review

Science flash cards

QuestionAnswer
The process by which individuals are better adapted to their enviorment and are more likely to survive and reproduces is called Adaption
Any difference between individuals of the same species Variation
The time it takes for half of the atoms in a sample to decay is its Half life
A well tested concept that explains a wide range of observations is a Scientific theory
The theory that species evolve quickly during short busts of time is punctuated equalibria
Documentation of the milions of fossils scientists have collected over time is called the Fossil Record
Unstable elements that decay or break down into different elements are Radioactive elements
Similar structures that related species have inherited from common ancestors are called homogolous structures
A hollow space left where the fossil has decayed or dissolved is called a mold
a process comparing the age of two fossils by their placement in the sedimentary rock is relitive dating
Gradual changes in a species over time is called gradualism
Fossils that are buried in sediments and actually changed into rock are petrified fossils
a trait that helps an organism survive and reproduce is an adaption
the theory that evolution occurs slowly but steadily is gradualism
A diagram that shows how scientists think different groups of organisms arerelated is a branching tree
preserved remais of an organism that lived in the past are fossils
a copy of the shape of the organism that made it is called a cast
thisa factor in natural selection as organisms attempt to survive using the same limited resources competition
Evidence that related species had a common ancestor because of the way their bodies are automatically constructed similar ways homogolous structures
This factor in Natural Selection happens when there are more offspring than can possibly survive on the given resource overproduction
A group of organisms that can mate together and create fertile offspring. Species
Created by: Imanorian20_40_8