Biological Evolution

Match the following

• Random genetic variations

• Fitness

• Variations that can increase survival

• Adaptations

• Natural selection

• Mutations

• Ability for survival and reproduction

• Lamarck

• Acquired traits

• Darwin

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Charles Darwin did the majority of his research in the (a)   Islands region

• Galapagos
• Malta
• Hawaiian
• Indonesian

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Which best explains why mammals became dominant after the mass extinction of the dinosaurs?

• They had traits that helped them adapt to environmental changes

• They were larger than dinosaurs and ate different foods

• They lived in different areas on Earth than dinosaurs

• They were able to hibernate for thousands of years

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NGSS.MS-LS4-4

Which is the main cause of the variation in traits within a population of

organisms?

• Genetic mutations

• Common ancestors

• Reduction of habitats

• Environmental conditions

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Which statement best describes the process of evolution?

• Populations can survive in different locations on Earth

• Environmental conditions limit the number of species on Earth

• Populations grow when resources are abundant

• The traits of a species can change over time

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NGSS.MS-LS4-1

Aww! What a cute bulldog! It sure is a shame it has severe chronic health complications due to ​ (a)   selection by humans.

• artificial
• natural
• breeding
• trait

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Lamarck’s ideas about evolution include the concept that differences among the traits of organisms arise as a result of

• Continual increases in population size

• The actions of organisms as they use or fail to use body structures

• An unchanging local environment

• The natural variations already present within the population of organisms

Mark the node of the most recent common ancestor of A and C on both phylogenetic trees

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Name one (of two) of humans' closest evolutionary ancestors

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Organize these options into the right categories

Groups:

(a) Analogous Structures

,

(b) Homologous Structures

,

(c) Vestigial Structures

• Show loss of function through evolutionary history

• Show divergent evolution

• 
• Show convergent evolution

• 
• 

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