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Chapter 52: Q3TYU (page 1162)

Which of the following is characteristic of most terrestrial biomes?

(A) a distribution predicted almost entirely by rock and soil patterns

(B) clear boundaries between adjacent biomes

(C) vegetation demonstrating vertical layering

(D) cold winter months

Short Answer

Expert verified

(A) The statement 鈥渁 distribution predicted almost entirely by rock and soil patterns鈥� is false.

(B) The statement 鈥渃lear boundaries between adjacent biomes鈥� is false.

(C) The statement 鈥渧egetation demonstrating vertical layering鈥� is true.

(D) The statement 鈥渃old winter months鈥� is false.

Step by step solution

01

Biome

The field of ecology defines a biome as a natural community of plants and animals living in their habitat.

02

Explanation of option ‘(A)’

A rock is a naturally formed substance that comprises grains of minerals and helps learn about earth material and structure.

Thus, the distribution must be predicted by weather pattern, latitude, and altitude.

Therefore, the given statement is false.

03

Explanation of option ‘(B)’

Several common elements of the biome are habitat, human activity, plants, and animal adaptations. Various kinds of biomes are grassland, tundra, taiga, temperate forest, and savanna.

Thus, nature does not have obvious boundaries. Gradual changes also occur in biomes.

Therefore, the given statement is false.

04

Explanation of option ‘(C)’

The term vegetation represents the life of plants or trees growing in a particular region.

Thus, vertical layering is created by trees and bushes in the terrestrial biome (area of land having the same climate and community of plants and animals).

Therefore, the given statement is true.

05

Explanation of option ‘(D)’

In phenology, a season is a weather change due to changes in the earth鈥檚 atmospheric conditions during a year.

Thus, temperature difference helps determine the plant type growing in a specific region.

Therefore, the given statement is false.

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Most popular questions from this chapter

Which statement about dispersal is false?

(A) Dispersal is a common component of the life cycles of plants and animals.

(B) Colonization of devastated areas after floods or volcanic depends on dispersal.

(C) Dispersal occurs only on an evolutionary time scale.

(D) The ability to disperse can expand the geographic distribution of a species.

When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes

(A) in biomes at different latitudes.

(B) in different depths in the ocean.

(C) in a community through different seasons.

(D) in an ecosystem as it evolves over time.

Jens Clausen and colleagues, at the Carnegie Institution of Washington, studied how the size of yarrow plants (Achillea lanulosa) growing on the slopes of the Sierra Nevada varied with elevation. They found that plants from low elevations were generally taller than plants from high elevations, as shown in the diagram. Clausen and colleagues proposed two hypotheses to explain this variation within a species: (1) There are genetic differences between populations of plants found at different elevations. (2) The species has developmental flexibility and can assume tall or short growth forms, depending on local abiotic factors. If you had seeds from yarrow plants found at low and high elevations, how would you test these hypotheses?

MAKE CONNECTIONS Hawaiian silverswords underwent remarkable adaptive radiation after their ancestor reached Hawaii, while the islands were still young (see Figure 25.22). Would you expect the cattle egret to undergo similar adaptive radiation in the Americas (see Figure 52.18)? Explain.

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