science wrk
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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| what is competition and who competes? | organisms compete with each other for space/light, food and water
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| what are adaptations? | adaptations are special features or behaviour which make an organism particularly well-suited to its enviroment.
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| what is variation? | differences between indivuals of the same species are called variation.
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| what happends during sexual reproduction? | during sexual reproduction a sperm from a male fuses with an egg from a female
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| what does asexual reproduction mean? | asexual reproduction means no variation at all, unless it is due to enviromental causes.
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| why is genetic modification used? | genetic modifcation is used to improve different aspects of organisms.
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| what is genetic engineering? | genetic engineering is when things such as insulin or a chromosone are inserted into organisms to make them work properly or better.
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| which 4 things are the reasons for extinction? | the 4 reasons for extinction are competition, enviroment changes, new predators and new diseases.
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| what is natural selection in basic terms? | natural selection in basic terms is the formation of new species.
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| what use are fossils? | fossils give evidence on how organisms have evolved.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
05ashraf.ahmed
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