List 3 reasons an organism might need to change over time.
Climate change, lack of resources like food, water, mates, territory, a natural disaster, a new predator
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banana
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fairy
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5
10
15
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25
gift
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baam
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15
In relative dating...where would the youngest fossils possibly be found in sedimentary rock?
Top layers (oldest toward the bottom)
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15
True or False. Once a certain trait becomes favored for survival, it is always beneficial in any environment?
False. An adaptation can be favorable in one type of environment and favored against in another. Ex: thick fur in cold climates would not be beneficial in heat
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15
Designer dog breeding by humans to get desired traits in the offspring is an example of?
Artificial selection (selective breeding)
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15
Over time, horses evolved to have longer legs. Why would this be needed?
run faster
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15
Name a specific example of organisms changing over time.
Darwin's Finches, Galapagos Giant Tortoise and Peppered Moths
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15
Darwin presented 6 pieces of evidence to support his theory of evolution. Name 4 of them.