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Unit Test 4 Review Part I.
Test Description: Students review for their test on ecosystems, cell theory, microbiology, and biotechnology.
Instructions: Answer all questions to get your test result.
1) Why do doctors suggest that people get a flu vaccine each year?
A
vaccines are absorbed by the body after a year
B
viruses replicate more rapidly over time
C
vaccines get stronger over time
D
viruses can mutate from year to year
2) Which of these careers would a student studying biotechnology most likely
A
geology
B
agricultural research
C
electrical engineering
D
astronomy
3) Which interaction illustrates a terrestrial-aquatic food relationship?
A
a bear eating a fish in a river
B
a bird laying eggs in a nest in a tree.
C
a turtle burying eggs in the sand.
D
a fish eating plankton in the ocean.
4) Which best determines the number of wolves that can live in an area?
A
the number of trees in the area
B
the amount of snow in the area each year
C
the amount food available in the area
D
the number of birds that live in the area
5) What happens to a population and to competition when there is a reduction of living space?
A
the population increases as competition decreases
B
competition weakens and the population decreases
C
the population expands and competition intensifies
D
competition strengthens while the population contracts
6) What type of relationship exist between trees and the kudzu vines that grow on them?
A
predator-prey
B
mutualism
C
competition
D
parasitism
7) Where is the largest amount energy found in a food web?
A
mouse
B
hawk
C
grass
D
grasshopper
8) Why is a healthy diet important?
A
it makes oxygen for all the cells in the body
B
it prevents damage to internal organs
C
it supplies the body's needs for growth and energy
D
it maintains a constant body temperature
9) Which would best explain why a lot of people got sick after attending a school dance?
A
contact with an infected person
B
contact with a contaminated object
C
contact with environmental sources
D
contact with an infected animal
10) What is the best way to help prevent the flu from becoming a pandemic?
A
eating fruits and vegetables
B
taking antibiotics
C
getting a vaccination
D
washing hands often
*select an answer for all questions
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