Evolution Project Crossword

Changes Over Time
Organisms with adaption
A charactersitic that gives organisms an advantage
Ability to breed successfully and produce a healthy offspring
The idea that all organisms have evolved from a common ancestor
Differences in organisms within the same species that occur naturally
More offspring are born than can survive, which causes competition for the neccesities of life
Largest division of geologic time
Eras are subdivided into periods
The idea that a small prokaryote was engulfed by and became a permanent structure of a larger one
Tiny per cells with selectively permeable membranes that could store and release energy
Preserved remains of ancient organisms
An organism that has died out
Fossils of organisms that only survived for relatively short periods of times
The process of using the law of superposition along with index fossils
The length of time required for half of a radioactive sample to decay
By determining the amount of carbon left in a fossil and knowing ts half-life
The evolution of a new species that occurs when two similar reproducing beings evolve to become unsimilar
A population of animals, plants or other organisms that are separated from exchanging
Would be things that physically or behaviorally keep male and female sex cells from uniting
A mechanism that reproduces the viability or reproductive capacity of hyrid ofspring
Favors the extreme phenotypes
Favors the intermediate phenotypes
Favors one extreme or the other
Large scale evolutionary changes that take long periods of time
A process whereby two very different species evolve in response to each other over time
When humans choose which organism are to be bred or crossed with others to create an organism with more desirable traits
Geographic isolation that separates a population may lead to opening up new niches and separate paths of evolution