JLC 4th Grade Science Ch 2 Review
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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| gene | The basic unit of heredity.
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| heredity | process by which characteristics pass from parent to offspring
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| life cycle |
All the stages an organism goes through from beginning of one generation to the beginning of the next.
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| metamorphosis | A growth process in which an animal goes through major changes in body form over the course of the life cycle.
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| trait | A characteristic that makes one organism different from another.
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| direct development | A growth process in which an animal gets larger without going through major changes in body form.
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| your genes | Carries instructions for our growth and development
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| offspring's genes come from... | each parent contributes half of the genese
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| this trait is only determined by heredity | eye color
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| an animal that is mostly to survive and thrive after birth without care from one or both parents | fish
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| the part of the plant that feeds the embryo until the plant can make its own food | seed
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| ferns and seeds reproduce by... | spores
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| grows from storage stems called tubers | potatoes
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| how most animals begin the life cycle | as a fertilized egg
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| a snake goes through this process | molting
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| an animal that goes through direct development | spider
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| a female lays eggs in the male's pouch where the eggs are fertilized and when mature swim away | seahorse
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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:
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