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Theories of Evolution
A fossil is any evidence of a plant or animal that lived ages ago.

Theories of Evolution

This Biology quiz is called 'Theories of Evolution' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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Evolution forms a major part of middle school Biology. Not only will students look at Charles Darwin's theory of evolution by natural selection, they will also examine the evidence supporting it and take a look at some shorter-lived theories, like that of evolution's earlier proponent, Jean-Baptiste Lamarck. The best known of the evolution theories is Charles Darwin's theory of evolution by natural selection. It states that all species of living organisms have evolved from simpler life forms.

In natural selection, the individuals which survive are described as being which of the following?
Better trained
Better adapted
Better suited
Better known
If an organism is better adapted, it can survive and pass on its genes (or new behavior) to the next and future generations
What does evolution mean?
Gradual change
Gradual reproduction
Gradual excretion
Gradual knowledge
Variation is caused by genetic mutation or a change in behavior in response to a change in the habitat or environment
The organisms which survive can then breed and pass on what?
Their jeans
Their pants
Their alleles
Their pants
Alleles are alternative forms of a gene that arise by mutation and are found at the same place on a chromosome
Evidence for evolution comes from where?
Genetic engineering
The fossil record gives a picture of the evolutionary process
What did Lamark's theory of evolution state?
That life evolved from apes
That the use of a feature allowed it to develop and be passed on and vice-versa
That evolution caused changes to skip a generation
That features could arise and then be lost
Knowledge of genetics was many years in the future. Without knowing about genes and inheritance, any theory of evolution is hard to understand and explain
Why are there gaps in the fossil record?
Many organisms do not survive
Not all organisms have been preserved
Many fossils have been destroyed by war
Fossils have been stolen from museums
This can occur for many reasons but, despite these gaps, other evidence can be used to support an evolutionary pathway, such as DNA
Darwin's theory was not accepted at first because of objections by which organization?
The Government
The People
The Church
The Police
The press and other scientists were also very harsh towards Darwin's theory
Evolution leads to the formation of which of the following?
New ideas
New species
New theories
New morals
Variation in each successive generation can create so many new adaptations that an organism is deemed to be a new species, as it has little in common with its ancestors
Variation which leads to new forms of organisms is caused by what?
Mutation of genes can be caused by environmental factors and by mistakes arising when DNA copies itself during cell reproduction
What is a fossil?
A very old person
Any evidence of a plant or animal that lived ages ago
Any very old sedimentary rock
A skeleton of an animal
The fossil record of the horse is particularly complete and provides evidence for evolution that is difficult to deny
Author:  Donna Maria Davidson

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