Evolution Change Over time

Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

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What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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The study of the early stages of development that is one evidence of evolution is:

• Homologous Structures

• Embryology

• Vestigial Organs

• Analogous Structures

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Evolutionary Similarities that can be seen in organisms by comparing their DNA is called-

• Biochemical Similarities
• Embryology
• Vestigial Structures
• Homologous Structures

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The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________

• Species
• Environmental Change
• Adaptation
• Variation

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The concept of gene flow is demonstrated when a cow is driven off from its herd, joins another herd, and reproduces. When the cow contributes to the gene pool of the new herd, which of these will most likely increase?

• Environmental fitness
• Reproductive mutations
• Natural selection
• Genetic variation

Genetic drift is a process that causes---

• The genetic makeup of an entire population to disappear
• The genetic makeup of an entire population to be altered
• Organisms to better adapt to their environment
• Organisms to have the same DNA as their parents

A graph regarding the effect of agricultural bioengineering on insect pests is shown below How has natural selection affected species of insect pests?

• A.  Natural selection has not affected the number of species that are resistant to pesticides
• A.  Natural selection has rapidly increased the number of species that are resistant to pesticides
• A.  Natural selection has only affected the number of species that are resistant to pesticides

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The table shows the survival rate of two types of beetles in the same environment over a period of three years.  

Which statement about the beetles in this environment is best supported by the data?

• Brown beetles have a shorter life cycle than green beetles have
• Green beetles are more fit for their environment than brown beetles
•  brown beetles are undergo more unfavorable mutations than green beetles

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