Biology Test: Chapter 3 and 4.2 2010-2011

Biology Test: Chapter 3 and 4.2 2010-2011

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____1.Carbon dioxide in the atmosphere enters the biotic parts of the biosphere through _____.

a. / burning of forests / c. / combustion of fossil fuels
b. / photosynthesis / d. / all of these

____2.A ______is several species in an area interacting with one another.

a. / organism / c. / community
b. / population / d. / ecosystem

Figure 2-1

____3.Referring to Figure 2-1, as energy move from grasses to coyotes, the amount of available energy _____.

a. / increases
b. / decreases
c. / decreases then increases
d. / increases or decreases but population size remains the same

____4.The branch of biology dealing with interactions among organisms and betweenorganisms and their environment iscalled

a. / economy. / c. / recycling.
b. / modeling. / d. / ecology.

____5.The part of Earth in which all living things exist is called the

a. / biome. / c. / ecosystem.
b. / community. / d. / biosphere.

____6.All of the members of a particular species that live in one area are called a(an)

a. / biome. / c. / community.
b. / population. / d. / ecosystem.

____7.What is the original source of almost all the energy in most ecosystems?

a. / carbohydrates / c. / water
b. / sunlight / d. / carbon

Figure 3-1

____8.The algae at the beginning of the food chain in Figure 3-1 are

a. / consumers. / c. / producers.
b. / decomposers. / d. / heterotrophs.

____9.An organism that produces its own food supply from inorganic compounds is called a(an)

a. / heterotroph. / c. / detritivore.
b. / consumer. / d. / autotroph.

____10.An organism that cannot make its own food is called a(an)

a. / heterotroph. / c. / autotroph.
b. / chemotroph. / d. / producer.

____11.Organisms that break down and feed on wastes and dead organisms are called

a. / decomposers. / c. / autotrophs.
b. / omnivores. / d. / producers.

____12.What is an organism that feeds only on plants called?

a. / carnivore / c. / omnivore
b. / herbivore / d. / detritivore

____13.What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?

a. / food web / c. / food chain
b. / an ecosystem / d. / a population

____14.What animals eat both producers and consumers?

a. / herbivores / c. / chemotrophs
b. / omnivores / d. / autotrophs

____15.What is the term for each step in the transfer of energy and matter within a biological community?

a. / energy path / c. / trophic level
b. / food web / d. / food pyramid

____16.A bird stalks, kills, and then eats an insect. Based on its behavior, which ecological terms describe the bird?

a. / herbivore, decomposer / c. / carnivore, consumer
b. / producer, heterotroph / d. / autotroph, herbivore

____17.Which type of pyramid shows the amount of living tissue at each trophic level in an ecosystem?

a. / a numbers pyramid / c. / a biomass pyramid
b. / an energy pyramid / d. / a food pyramid

____18.The repeated movement of water between Earth’s surface and the atmosphere is called

a. / the water cycle. / c. / precipitation.
b. / the condensation cycle. / d. / evaporation.

____19.What is the process by whichorganisms convert nitrogen gas in the air to ammonium?

a. / nitrogen fixation / c. / decomposition
b. / excretion / d. / denitrification

____20.Nitrogen fixation is carried out primarily by

a. / humans. / c. / bacteria.
b. / plants. / d. / ammonia.

____21.A food chain generally begins with

a. / an autotroph / c. / a decomposer
b. / an omnivore / d. / a heterotroph

____22.Besides energy, what moves through the organisms at each trophic level of an ecosystem?

a. / organisms / c. / sunlight
b. / nutrients / d. / cycles

____23.An uncut lawn becomes a meadow and eventually a forest. This process is an example of

a. / evolution / c. / secondary succession
b. / primary succession / d. / niche

____24.The stable ecosystem that develops due to succession is called

a. / a niche / c. / a climax community
b. / a forest / d. / a biome

____25.Different species can share the same habitat, but compeition among them is reduced if they

a. / reproduce at different times / c. / increase their populations
b. / eat less / d. / occupy different niches

____26.An interaction in which one organism captures and feeds on another organism is called

a. / competition / c. / mutualism
b. / symbiosis` / d. / predation

____27.Primary succession can begin after

a. / a forest fire / c. / farmland is abandoned
b. / a lava flow / d. / a severs storm

____28.Symbiotic relationship in which both species benefit is called

a. / symbiosis / c. / commensalism
b. / mutualism / d. / parasitism

____29.What type of relationship exists between E.coli inside your intestine

a. / symbiosis / c. / parasitism
b. / mutualism / d. / commensalism

____30.What type of relationship exists between worms on your eyelashes

a. / symbiosis / c. / parasitism
b. / mutualism / d. / commensalism

____31.What type of relationship exists between HIV and monkeys

a. / symbiosis / c. / parasitism
b. / mutualism / d. / commensalism

____32.At which stage in Figure 3-3 are the most pioneer species found?

Figure 3-3

a. / A / c. / C
b. / B / d. / D

____33.In figure 3-3 which species represents the climax community?

a. / mosses / c. / pines
b. / ferns, shrubs and grasses / d. / beeches and maples

____34.The process by which NH3 is converted into NH4.

a. / nitrogen fixation / c. / ammonification
b. / nitrification / d. / denitrification

____35.The process by which NO3 is converted into N2

a. / nitrogen fixation / c. / ammonification
b. / nitrification / d. / denitrification

Biology Test: Chapter 3 and 4.2 2010-2011

Answer Section

MULTIPLE CHOICE

1.ANS:BPTS:1DIF:BOBJ:2-6

2.ANS:CPTS:1DIF:BOBJ:2-2

3.ANS:BPTS:1DIF:BOBJ:2-5

4.ANS:DPTS:1DIF:BOBJ:3.1.1

5.ANS:DPTS:1DIF:BOBJ:3.1.1

6.ANS:BPTS:1DIF:BOBJ:3.1.1

7.ANS:BPTS:1DIF:BOBJ:3.2.1

8.ANS:CPTS:1DIF:AOBJ:3.2.1

9.ANS:DPTS:1DIF:AOBJ:3.2.1

10.ANS:APTS:1DIF:BOBJ:3.2.1

11.ANS:APTS:1DIF:BOBJ:3.2.2

12.ANS:BPTS:1DIF:BOBJ:3.2.2

13.ANS:APTS:1DIF:EOBJ:3.2.2

14.ANS:BPTS:1DIF:AOBJ:3.2.2

15.ANS:CPTS:1DIF:EOBJ:3.2.2

16.ANS:CPTS:1DIF:EOBJ:3.2.2

17.ANS:CPTS:1DIF:BOBJ:3.2.3

18.ANS:APTS:1DIF:BOBJ:3.3.1

19.ANS:APTS:1DIF:AOBJ:3.3.1

20.ANS:CPTS:1DIF:BOBJ:3.3.1

21.ANS:APTS:1

22.ANS:BPTS:1

23.ANS:CPTS:1

24.ANS:CPTS:1

25.ANS:DPTS:1

26.ANS:DPTS:1

27.ANS:BPTS:1

28.ANS:BPTS:1

29.ANS:BPTS:1

30.ANS:DPTS:1

31.ANS:DPTS:1

32.ANS:APTS:1

33.ANS:DPTS:1

34.ANS:CPTS:1

35.ANS:DPTS:1

36.ANS:CPTS:1DIF:IIIOBJ:4.2.1

37.ANS:DPTS:1DIF:IIIOBJ:4.2.2

38.ANS:CPTS:1DIF:IIIOBJ:4.2.2

39.ANS:BPTS:1DIF:IIIOBJ:4.2.2