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| An organism from which others have descended from |
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| The entire female part of a flower |
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| A random change in a gene |
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| Can be used to determine how closely related species are |
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| Another name for eggs in a flower |
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| Occurs when two organisms eat the same food source in a small area |
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| An inherited trait that helps an organism survive. |
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| A species that no longer exists. |
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| Went on the voyage of the beagle and wrote the origin of the species |
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| Said that the population of organisms tend to gros faster than the food supply. |
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| Something that attracts pollinators to flowers |
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| The process of how organisms acquire adaptions over time |
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| Had a drastic color change during the industrial revolution |
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| Occurs when the pollen touches the stigma of a flower, usually done by bees |
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| Covers the flower bud before it blooms |
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| The process of how organisms aquire adaptions over time |
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| An inherited trait that helps an organisms survive |
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| An organism from which others have descended |
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| A tree like diagram that displays evolutionary relationships among living species and their ancestors |
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| Baby structures that have a common orgin but don't necessarily perform the same function |
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| A remnant or trace of an organism from the past, such as a skeleton or leaf imprint, embedded and preserved in Earth's crust |
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| A historical sequence of life on earth based on the sequence of fossils |
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| The process by which organisms with favorable adaptations survive and reproduce |
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| The variety of alleles in a population |
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| Occurs when the environment changes and the adaptations of a species are no longer sufficient |
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| As environmental conditions change over time, which population will have better chance of survival? |
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Definition
| A population with a high level of variation |
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| In trying to understand the evolutionary relationships between 2 species which would not be helpful? |
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Definition
| Comparative analysis of dental impressions shows similarities in number and structure of each tooth. |
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| Which statement best describes adaptation? |
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Definition
| A beetle hatches in time of food shortage with a mutation that contains enzymes to digest a greater variety of food. |
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| The size of a white footed mouse population is influenced by? |
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| Availability of acorns increase in primary preditor and an extremely dry summer leading to a severe drought. |
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| It happens by chance and is passed on to offspring. |
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| It occurs due changed in the environment. |
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