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OMM Unit Test I
1. Which is not a trait common to all living things?
a. Has a heart
b. Reproduces
c. Produces waste
d. Composed of one or more cells
2. The classification group that contains the greatest variety of organisms is
a. order
b. species
c. phylum
d. kingdom
3. Grouping organisms according to certain characteristics is called
a. charting
b. classifying
c. pairing
d. sorting
4. Based on their scientific names, which two of these organisms are most closely
related?
Elk – Cercus Canadensis
Mule deer – Odocoeleus hemionus
Red deer – Cercus elaphus
Reindeer – Rangifer terandus
a. Red deer and mule deer
c. Mule deer and elk
b. Elk and red deer
d. Reindeer and red deer
5. The modern system used for classification of organisms is based on the work of
a. Aristotle
b. Linnacus
c. Hooke
d. Leeuwenhoek
6. The correct format for the scientific name of the cabbage white butterfly is
a. pieris rapae
b. pieris Rapae
c. Pieris Rapae
d. Pieris rapae
7. A word that refers to any complete living thing is
a. tissue
b. organ
c. system
d. organism
8. What is a microscope’s total magnification if the eyepiece is 10x and the
objective is set at 40x?
a. 4x
b. 40x
c. 400x
d. 4000x
9. WOWBugs are parasitic wasps. Parasitic wasps are
a. insects that lay their eggs in or on another insect
b. insects that pollinate flowers
c. insects that have six wings
d. insects that are also in the beetle family
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Use figure 1 to answer questions 10 and 11.
10. Which part of the microscope would be
used to change the magnification?
A
B
C
D
11. Which part of the microscope would be
used to change the amount of light that
comes through the hole in the stage?
A
B
C
D
12. What is the function of the structure
that the arrow points at in the figure
of the Lumbriculus?
a. Helps the worm during movement
b. Helps convey food and oxygen
throughout the body
c. Detects shadows of approaching
danger
d. All of the above
13. Which of these is a characteristic of earthworms but not blackworms?
a. Segments
b. Clitellum
c. Blood vessels
d. Digestive tube
14. A community of living things and its environment make up a(n)
a. habitat
b. population
c. biosphere
d. ecosystem
15. Which list best describes characteristics shared by all insects?
a. eight legs, two antennae, three-part bodies
b. six legs, two antennae, three-part bodies
c. six legs, poison, three-part bodies
d. four legs, poison, three-part bodies
16. Which of these describes an exoskeleton?
a. Is nonliving
b. Is an outside covering
c. Does not grow
d. All of the above
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17. Which of these is the correct order for complete metamorphosis?
a. Egg, larva, chrysalis(cocoon), adult b. Egg, adult, chrysalis(cocoon), larva
c. Egg, larva, adult, chrysalis(cocoon) d. Egg, chrysalis(cocoon), larva, adult
18. Handling a microscope correctly involves:
a. always carrying the microscope with one hand
b. sometimes allowing the objective lens to touch the stage
c. focusing with the highest objective lens first
d. none of the above
19. A scientist is interested in comparing the circulatory system of different types of
worms. What is the scientist most likely to do first?
a. develop a procedure
b. analyze data
c. make a conclusion
20. Ali wants to find out how long it takes his baby sister to fall asleep. Variables in
his experiment include:
a. time of day
b. noise levels
c. both a and b
d. none of the above
21. Hiromi wonders which of her friends can run the fastest. She decides that a
race, starting at the maple tree and ending at the oak tree, will answer her
question. Which variable(s) is she planning to control?
a. time
b. distance
c. both a and b
d. none of the above
22. Scientifically, humans are named Homo sapiens. “Homo” is the :
a. genus
b. kingdom
c. phylum
d. species
23. The word “ecosystem” refers to:
a. the physical environment
b. living organisms in a laboratory
c. living organisms and the physical environment
d. just living organisms
24. You watch a worm slowly disappear into the ground. Which statement is an
example of an observation?
a. The worm was looking for food
b. The worm had a lot of energy
c. The worm was moving away from the light
d. The worm borrowed into the ground
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