They may be more interested in researching, for example, the adaptations that some aquatic animals undergo to survive in dry desert environments.. 正确答案:C 题目解析: C 两个过渡点,代词they和名词adaption,从名词adaption可以得出B或者C正确;代词they指的是倒数第二句中的younger ecologists,所以they应该...
always among the first invaders, while shade-tolerant species appear later in the succession. Clements and other early ecologists saw almost lawlike regularity in the order of succession, but that has not been substantiated. A general trend can be recognized, but the details are usually ...
that established in an area formerly dominated by native desert grassland in the Chihuahuan Desert of New Mexico, USA. Lehmann lovegrass invaded this site after the native grasses had declined due to historical overgrazing episodes and soil loss. Native grasses have difficulty reestablishing,...
ECOSYSTEMS AND BIOMES
The accumulation of run-off water in diggings and depressions made by animals increases the carrying capacity of these microhabitats in the desert biome. The accumulation of run-off water does not only benefit the natural vegetation; a system of human-made depressions can be evolved to increase...
The desert ecosystem can be seen existing in the arctic as well as the tropics. As presumed, not all of the deserts are hot. Some are usually windy. The most striking feature of this ecosystem is the amount of precipitation it receives, which is the least as compared to any other ecosyst...
symbiotic relationshipThe relationship between two species that live in close association with each other. temperate grassland/cold desertA biome characterized by cold, harsh winters, and hot, dry summers. temperate rainforestA coastal biome typified by moderate temperatures and high precipitation. ...
An ecosystem need not be the size of a forest or a desert—in fact, since an ecosystem is merely defined as the community of organisms in an environment and the environment that sustains them, the underside of a rotting log is also an example of an such as ants and carnivores such as ...
Since the term simply defines a system that has the abiotic and biotic elements to interact in a self-sustaining manner, there is no set size that defines an ecosystem. A valid biome can be as small as a corner of an empty lot or as big as the entire ocean. The size of an ecosystem...
Six major biomes: Color map as we discuss Tundra Taiga Deciduous forest Tropical rain forest Desert Grassland Tundra A cold biome of the far north; the ground is frozen even in summer Animals of the Tundra Musk oxen, migrating caribou, arctic foxes, weasels, snowshoe hares, owls, hawks, vari...