Unit Test 4 Review Part I.: Question Preview (ID: 12243)

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Why do doctors suggest that people get a flu vaccine each year?
a) viruses replicate more rapidly over time
b) viruses can mutate from year to year
c) vaccines are absorbed by the body after a year
d) vaccines get stronger over time

Which of these careers would a student studying biotechnology most likely
a) electrical engineering
b) astronomy
c) agricultural research
d) geology

Which interaction illustrates a terrestrial-aquatic food relationship?
a) a bear eating a fish in a river
b) a turtle burying eggs in the sand.
c) a fish eating plankton in the ocean.
d) a bird laying eggs in a nest in a tree.

Which best determines the number of wolves that can live in an area?
a) the amount of snow in the area each year
b) the number of birds that live in the area
c) the number of trees in the area
d) the amount food available in the area

What happens to a population and to competition when there is a reduction of living space?
a) the population expands and competition intensifies
b) competition strengthens while the population contracts
c) the population increases as competition decreases
d) competition weakens and the population decreases

What type of relationship exist between trees and the kudzu vines that grow on them?
a) competition
b) mutualism
c) parasitism
d) predator-prey

Where is the largest amount energy found in a food web?
a) hawk
b) grass
c) mouse
d) grasshopper

Why is a healthy diet important?
a) it maintains a constant body temperature
b) it prevents damage to internal organs
c) it makes oxygen for all the cells in the body
d) it supplies the body's needs for growth and energy

Which would best explain why a lot of people got sick after attending a school dance?
a) contact with environmental sources
b) contact with an infected animal
c) contact with a contaminated object
d) contact with an infected person

What is the best way to help prevent the flu from becoming a pandemic?
a) getting a vaccination
b) taking antibiotics
c) eating fruits and vegetables
d) washing hands often

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