Mader's Concepts in Biology, First Edition

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Sylvia S. Mader

Chapter 39

Question 1

Which of the following was not a problem encountered by the Biosphere 2 project?

A. oxygen levels dropped

B. conflicts broke out between biospherians

C. carbon dioxide levels increased

D. they ran out of water

E. crops failed due to disease and pests

Question 2

Which of the following do not help determine an ecosystem?

A. amount of rainfall

B. solar energy

C. soil type

D. ocean currents

E. mountain ranges

Question 3

Which of the following would be characterized by little rainfall, permafrost, and reindeer?

A. grasslands

B. temperate deciduous forest

C. desert

D. taiga

E. tundra

Question 4

Trees do not grow in the tundra because the:

A. air is too thin

B. land is too swampy

C. land shifts from time to time

D. permafrost is always frozen

E. shrubs are too plentiful

Question 5

Animals are common throughout the year in the arctic tundra.

A. true

B. false

Question 6

If you were studying the arctic tundra you would know that all of the following statements are true except:

A. the arctic tundra has many coniferous trees

B. it is cold and dark much of the year

C. there is little rainfall

D. drainage is minimal due to permafrost

E. it covers 20% of the land’s surface

Question 7

A biologist is studying a forest found in a broad belt in Northern Eurasia and North America, with conifers and swamps. Based on this information you would conclude that he or she is studying which type of ecosystem?

A. tropical rain forest

B. tundra

C. taiga

D. desert

E. temperate deciduous forest

Question 8

The taiga is a:

A. tropical rainforest

B. temperate rain forest

C. desert

D. grassland

E. coniferous forest

Question 9

Which of the following is a true statement?

A. the taiga circles the Earth in the Northern hemisphere

B. the taiga contains all the typical deciduous trees

C. the taiga has a well-developed understory

D. the typical animals of the taiga are small so that they can burrow to get away from the heat

E. there is a relatively high amount of rainfall

Question 10

Temperate deciduous forests are defined by:

A. humid climate with seasonal droughts

B. highest variation in day and night length

C. highest amount of organisms living in the tree canopy

D. a growing season between 140 and 300 days

E. it has permafrost all year round

Question 11

A biologist is studying an ecosystem which contains trees such as oak and maple and animals such as fox and deer. Based on this information you would conclude that he or she is studying which of the following?

A. tropical rain forest

B. tundra

C. taiga

D. desert

E. temperate deciduous forest

Question 12

Which of the following statements is not true about deciduous trees?

A. they include oak, beech, and maple treesB. they are found north of the taiga in Eastern

North AmericaC. they grow their leaves in springD. they are found in a moderate climate with a

relatively high rainfallE. they lose their leaves in the fall

Question 13

If you were studying an ecosystem which is characterized by rich soils, insufficient rainfall for trees, and many herbivores, you would be studying which of the following ecosystems?

A. temperate grasslands

B. desert

C. tropical rain forest

D. taiga

E. tundra

Question 14

Grasslands do not have trees because:

A. they are next to deserts

B. the soil is poor

C. there is limited rainfall

D. there is too much snow in winter

E. there is a layer of permafrost

Question 15

Temperate grasslands are referred to as prairies in North America.

A. true

B. false

Question 16

A biologist is studying an ecosystem which supports the greatest number of large herbivores. Based on this information you would conclude that he or she is studying which of the following?

A. desert

B. savanna

C. prairie

D. tundra

E. taiga

Question 17

The flat-topped acacia tree will be found in the ___________ ecosystem.

A. desert

B. tundra

C. savanna grassland

D. prairie grassland

E. taiga

Question 18

An African tropical grassland that varies cool, dry seasons with hot, rainy seasons is the:

A. savanna

B. temperate deciduous forest

C. prairie

D. taiga

E. tundra

Question 19

If you were studying an ecosystem which is characterized by rainfall under 25 cm/year, hot days, cold nights, and spiny-leafed plants, you would be studying which of the following?

A. grasslands

B. temperate deciduous forest

C. desert

D. taiga

E. tundra

Question 20

In the desert, plants and animals are adapted to withstand:

A. heat

B. dryness

C. cold

D. intense sun

E. All of the above.

Answer Key – Chapter 391. D2. C3. E4. D5. B6. A7. C8. E9. A10. D

11. E12. B13. A14. C15. A16. B17. C18. A19. C20. E