Life Science

Chapter 24: Interactions of Life

Section 2 Self-Check Quiz-Eng.

1.
__________ limits population size.
A)Competition
B)Mutualism
C)Parasitism
D)Symbiosis
2.
Which of these factors helps a population grow?
A)limited living space
B)reduced amounts of food
C)increased numbers of predators
D)plenty of water
3.
You decide to raise mealworms in two identical containers at home. You count the number of mealworms in each container to compare __________.
A)parasitism
B)population densities
C)the death rate
D)homeostasis
4.
Which of these is a method used to count a wildlife population?
A)study-a-niche
B)commensalism
C)trap-mark-release
D)recommended spacing
5.
Which of these is a method used to count the size of a population in a large area?
A)sample counts
B)photosynthesis
C)population density
D)ecology
6.
Which of these limits the size of a population?
A)an increase in the number of prey
B)a reduction in living space
C)a decrease in competition
D)an increased amount of water
7.
The largest number of organisms in a species that can live in an ecosystem at one time is its __________.
A)symbiosis
B)carrying capacity
C)commensalism
D)sample count
8.
A drought condition affects an area. Lack of rain is __________ of that area's organisms.
A)the carrying capacity
B)the community
C)an adaptation
D)a limiting factor
9.
Which of these is true for human populations?
A)Countries always have higher birth-rates than death rates.
B)Countries with higher death rates than birth-rates will increase their population size.
C)Countries with low death rates will always have high birthrates.
D)Countries with higher birthrates than death rates have growing populations.
10.
A population of wolves lives in a region with plenty of food, water, and living space. Which of these is true?
A)The wolf population has excellent biotic potential.
B)The wolf population will become carnivores.
C)The wolf population lives in a poor habitat.
D)The wolf population faces increased competition.
11.
In the year 2000, what was Earth's human population?
A)about 6 billion
B)exactly 1.6 billion
C)more than 16 billion
D)less than 2 billion
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