اختبار إلكتروني: Basic English Practice Term 3 Revision

Question 1

Points: 2

Which would represent a population?

Question 2

Points: 2

The age-sex structure of a quickly growing population would probably have

Question 3

Points: 2

Population growth can be represented by the equation r = b=معدل الولادات e=الهجرة الخارجية d=معدل الوفيات i=الهجرة الداخلية

Question 4

Points: 2

During exponential growth, population growth eventually slows and population size levels off.

Question 5

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exponential growth shape

Question 6

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The carrying capacity of a population is reached as resources become limiting.

Question 7

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Which of the following are examples of density-dependent factors? (1) food, (2) disease, (3) rainfall, (4) temperature.

Question 8

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When organisms must compete for resources, they will usually have a ____________ distribution.

Question 9

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how fast a population changes in size over time

Question 10

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leaving the population for another area

Question 11

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coming into the population from somewhere else

Question 12

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the average number of individuals in a population per unit of area or volume

Question 13

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the largest population size that can be supported in an area without harming the environment

Question 14

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population growth under ideal conditions

Question 15

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species whose population growth is controlled by density-dependent factors

Question 16

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species whose population size is usually well below the carrying capacity

Question 17

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population growth under limiting conditions

Question 18

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Which population growth model does this graph illustrate?

Question 19

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What is the horizontal line on this graph called?

Question 20

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What do the time periods 1–7 represent?

Question 21

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If angelfish produce hundreds of young several times a year, which statement below is true?

Question 22

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If an aquarium holds 80 L of water and contains 170 guppies, what is the approximate density of the guppy population?

Question 23

Points: 2

Which is a density-independent factor?

Question 24

Points: 2

Why is the life span of this finch with an eye disease most likely reduced?

Question 25

Points: 2

Which is a possible reason for the relatively quick spread of the shown disease?

Question 26

Points: 2

What is the dispersion pattern of herding animals, birds that flock together, and fish that form schools?

Question 27

Points: 2

What is the projected population of developed countries by 2050?

Question 28

Points: 2

What is the approximate population difference between developing countries that have low fertility rates and developing countries that have high fertility rates in 2050?

Question 29

Points: 2

When did the human population begin to increase exponentially?

Question 30

Points: 2

Japan had a birthrate of eight and a death rate of nine in 2008. What was the PGR?

Question 31

Points: 2

Georgia, a country in western Asia, had a birthrate of 11 and a death rate of 10 in 2008. What was the PGR of Georgia in that year?

Question 32

Points: 2

Which part of the graph indicates the carrying capacity of the habitat?

Question 33

Points: 2

Which limiting factor is dependent on the density of the population?

Question 34

Points: 2

If a population grows larger than its environmental carrying capacity, then

Question 35

Points: 2

What does the term carrying capacity describe?

Question 36

Points: 2

describes the relative numbers of organisms of each age within a population and is often represented by a graph

Question 37

Points: 2

Countries with high growth rates usually have an age structure that has

Question 38

Points: 2

The invention of agriculture

Question 39

Points: 2

Lower death rates in the 1700s resulted from

Question 40

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what is the type of dispersion

Question 41

Points: 2

what is the type of dispersion

Question 42

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what is the type of dispersion

Question 43

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Any factor in the environment that does not depend on the number of members in a population per unit area

Question 44

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Any factor in the environment that depends on the number of members in a population per unit area

Question 45

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density-dependent factor

Question 46

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density-independent factor

Question 47

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The study of human population size, density, distribution, movement, and birth and death rates

Question 48

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change in a population from high birth and death rates to low birth and death rates

Question 49

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occurs when births plus immigration equals deaths plus emigration.

Question 50

Points: 2

what is the type of human population growth in this figure

Question 51

Points: 2

what is the type of human population growth in this figure

Question 52

Points: 2

what is the type of human population growth in this figure

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اختبار إلكتروني: Basic English Practice Term 3 Revision

بعض الأسئلة غير مكتملة الإعداد

Result Tracking

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