Name___________________________________________________Class______________________
Unit 1: Living Things
organism
unicellular development
spontaneous generation
stimulus reproduce
heterotroph
autotroph
response
cell
multicellular
homeostasis
Vocabulary: Write the correct term in the space provided to match its definition. (2 pts ea.)
1. A/An ________________________________is an organism that cannot make its own food.
2. __________________________________ is the process of change that occurs during an
organism’s life to produce a more complex organism.
3. ________________________________________ is the mistaken idea that living things arise
from nonliving sources.
4. A/An __________________________________ is an action or change in behavior that occurs as
a result of a stimulus.
5. A type of organism that is made up of only one cell is __________________________________.
6. A/An ____________________________________ is the basic unit of structure and function in
an organism.
7. A/An _________________________________ is an organism that makes its own food.
8. To _________________________________ is the production of offspring that are similar to the
parents.
9. A/An _________________________________ is a change in an organism’s surroundings
that cause the organism to react.
10. A/An _______________________________ is any living thing.
11. ______________________________________ is the maintenance of stable internal
conditions despite changes in the surroundings.
12. A/An _____________________________ organism is made up of many cells.
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Multiple Choice: Circle the correct answer (2 Pts ea.)
13. Which gas was not part of Earth’s atmosphere 3.6 billion years ago?
a.) methane
c.) oxygen
b.) nitrogen
d.) water vapor
14. The science of placing organisms into groups based on shared characteristics is called
a.) taxonomy.
c.) development.
b.) biology.
d.) evolution.
15. Which organisms have cells that do not contain nuclei?
a.) protists
c.) plants
b.) fungi
d.) archaebacteria
16. A genus is divided into
a.) phyla.
c.) families.
b.) species.
d.) classes.
17. Today, organisms are classified mainly by
a.) how they move.
c.) where they live
b.) their evolutionary history. d.) what they look like.
18.) The process by which species gradually change over a very long period of time is
called
a.) Development.
c.) evolution.
b.) classification.
d.) growth.
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Short Answer: Answer each question using complete sentences.
19. Which 4 things do all organism need to stay alive? (4 pts.)
1.
2.
3.
4.
20. Why do scientists classify organisms? (2 pts)
21. What significant contribution did Linnaeus have in the classification of organisms?
(2 pts)
Matching the 6 kingdoms (2 pts. ea.)
22. ______ The “odds and ends” kingdom containing mostly unicellular
eukaryotes
23. ______ Most are helpful, unicellular prokaryotes. Some make yogurt
while others can cause strep throat.
24. ______ All are multicellular autotrophs. They also feed almost all of
the heterotrophs on Earth.
A. Plants
B. Archaebacteria
C. Eubacteria
D. Animals
E. Fungi
F. Protists
25. ______ All are multicellular heterotrophs. They locate, capture, eat,
and digest food.
26. ______ Either autotrophic or heterotrophic prokaryotes.
Can live in very extreme conditions.
27. ______ Most are multicellular eukaryotes and feed on dead and decaying organisms.
Name___________________________________________________Class______________________