Texas 6th Science
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15.1 Cells
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Complete this guide while reading or after reading the lesson.
1. Cells are so small that they weren't even discovered until the invention of the
2. A cell is the
of structure and function in an organism.
3.
organisms are made of only a single cell and
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organisms are made of more than one cell.
4. Each individual cell shares the basic characteristics and can
________
, and use:
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_
5. About 200 different types of
cells make up the tissues and
organs of your body.
6.
Cells all contain
7.
, use
to reproduce and are surrounded by a
cells are much smaller than eukaryotic cells and do not have
a true nucleus.
8. Autotrophic cells can make their own food using
or
other processes such as chemosynthesis.
9. Heterotrophic cells must obtain energy by breaking down
molecules.
10. All ofthe energy available to most organisms originally comes from
11. Cells have two types of reproduction:
and
Check Your Understanding
12. What is the basic unit of structure and function in a living thing called?
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science
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13. What are 3 similarities that all cells share?
1.
2.
3.
14. What are the major differences between prokaryotic and eukaryotic cells?
15. How do autotrophs get energy?
16. How do heterotrophs get energy?
17. Name an example of an autotroph and an example of a heterotroph.
18. What is reproduction?
Name 2 ways organisms reproduce.
Reproduction is
1.
2.
Next Step
19. Compose a song or poem to highlight the differences between the two types of cells
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science