SCIENCE
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Selection Pressure | The environment removes organisms w/traits that do not help the organism survive & reproduce.
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| Adaption | A trait that helps improve the chance of survival and reproduction.
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| Extinct | When extreme pressure causes an organism to die off. (A species that is gone forever.)
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| Evolution | The changes in frequency of traits in a population over time.
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| Theory | A general statement that is supported by many scientific observations. (Predictions of what might happen between the independent & dependent variables.)
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| Example of a PREDATOR: | LION or COYOTE (eats other animals.
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| Example of a PREY: | ZEBRA or RABBIT (eaten by other animals).
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| Example of a "Structural adaption" of a dog: | Adaptations that are part of an organisms physical makeup. (Sharp teeth, Sense of smell) Track dogs (GREY HOUND) - long legs, speed, light weight make it a key dog.
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| Example of a "Behavioral" adaption of a dog: | Adaptions that cause an animal to act in a specific way. (Herding, Barking).
Guide dog (GOLDEN RETRIEVER)for the blind people. Smart, calm, patient, and loyal.
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| A drought resistant wheat variety scientists discovered in Australia by combining Australia wheat with American wheat is called: | Selective Breeding/artificial selection.
Cross Breeding.
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| Asexual Reproduction | 1 parent cell divides into 2 cells & each of the new cells has the same genetic material as the parent.
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| DNA | The genetic material in a cell that stores & transmits genetic info. from 1 generation to the next.
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| Genetic Engineering | Changing the genes of organisms.
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| Cell division (Mitosis) results in two genetically ___________ daughter_________. | Identical/Daughter
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| What are two MAJOR reasons cells need to reproduce? | Make and grow new cells and make new organisms.
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| Artificial Selection | Humans are the selection pressure. - Changes the population to fit the criteria set by people.
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| Natural Selection | The environment is the selection pressure. Selects traits that allow organisms to survive.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Alex Jackson
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