Question 1

Which of the following best describes the main factors that define a biome?

Accepted Answer

Climate, soil, and disturbance patterns

Question 2

A biome located between 10ºN and 10ºS, with high biodiversity, intense competition for light, and poor soils, is most likely a:

Accepted Answer

Tropical rainforest

Question 3

Which adaptation is most likely found in plants living in hot deserts?

Accepted Answer

Thick, waxy cuticles to reduce water loss

Question 4

Which biome is characterized by cold temperatures, low precipitation, permafrost, and low-growing vegetation such as mosses and lichens?

Accepted Answer

Tundra

Question 5

Fire and grazing are key factors in maintaining which biome, which is also known for its high soil fertility and use in agriculture?

Accepted Answer

Temperate grassland

Question 6

A climate diagram shows little variation in temperature and consistently high precipitation throughout the year. Which biome does this most likely represent?

Accepted Answer

Tropical rainforest

Question 7

Which of the following is a key difference between tropical rainforests and tropical seasonal forests/savannas?

Accepted Answer

Tropical seasonal forests/savannas experience seasonality of water and have more grasses and shrubs

Question 8

Which biome is primarily found above 50ºN, is dominated by conifers, and experiences severe winters with permafrost in the soil?

Accepted Answer

Boreal forest (taiga)

Question 9

Which of the following best explains why biodiversity can be high in deserts despite low animal abundance?

Accepted Answer

Organisms in deserts have evolved unique behavioral and physiological adaptations

Question 10

Which biome is characterized by evergreen shrubs and trees, dry hot summers, wet winters, and is found at 30-40ºN&S?

Accepted Answer

Temperate shrubland and woodland

Question 11

A region with high soil acidity, dominated by evergreen trees, and subject to extensive logging is most likely a:

Accepted Answer

Temperate evergreen forest

Question 12

Which of the following ocean habitats is defined as being on the bottom, regardless of depth?

Accepted Answer

Benthic

Question 13

Which biome is most likely to be converted for crop and livestock production due to its high soil fertility?

Accepted Answer

Temperate grassland

Question 14

Which of the following best describes the climate of temperate seasonal forests?

Accepted Answer

At least 50 cm of precipitation per year, with both deciduous and evergreen trees

Question 15

Which of the following is NOT a key factor influencing the distribution of biomes?

Accepted Answer

Species migration

Question 16

A biome with low organic matter in the soil, sparse plant cover, and increasing human intrusion is most likely a:

Accepted Answer

Desert

Question 17

Which of the following best explains why tropical rainforests have poor soils despite high plant productivity?

Accepted Answer

Nutrients are rapidly recycled and taken up by plants, leaving little in the soil

Question 18

Which biome is most likely to experience fire and grazing as regular disturbances, which help maintain its structure?

Accepted Answer

Temperate grassland

Question 19

Which of the following best describes the relationship between mean annual precipitation and mean annual temperature in determining biome distribution?

Accepted Answer

Biomes with high temperature and high precipitation are typically tropical rainforests

Question 20

Which of the following is a real-world consequence of human intrusion into desert biomes?

Accepted Answer

Decreased soil organic matter and disruption of native species

1.3 Biomes and the Biosphere: Structure, Climate, and Distribution

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