When you think of the living things in 1 desert, what comes to your mind? You may think of the cactus(仙人掌). The cactus can live in the desert 2 a long time. There are over 2,000 different 3 (kind) of cacti in the world. Some cacti are tall 4 green, and have spines(刺)....
阅读短文,回答问题When you think of the living things in the desert, what comes to your mind? You might think of the cactus at once.The cactus can survive(存活) the desert heat without water for a long time. In fact, there are over 2. 000 different types of cacti in the world. Som...
The Earth is like our mother.She gives live to all the living things on the Earth.And she provice us with air、food、water and other things we need for living.Once she was beautiful ahd rich.But mow she is crying, becacuse she is becoming dirtier and dirtier, poorer and poorer. It'...
The idea quickly spread, and Todd made a wise decision to set up Little Free library as a non-profit (非营利的) organization with signs that read “Little Free Library: Take a Book, Return a Book.” Today there are about 100,000 little free libraries in over 100 countries and they ...
Describe the landscape of the continents during the Cambrian Era. a. What organisms were the first to adapt to living on land? b. What kinds of organisms came later, and in what order? What is ecosystem made up of? What are some examples of plants that display mutualism, commensalism, an...
What are the producers in an aquatic ecosystem? What factors tie amphibians to a life near water? What nonliving things might you find in an ecosystem? What are some biotic factors in a temperate forest? What aquatic ecosystems have brackish water?
These parts are either living or non-living parts and are equally (同样地) important to the ecosystems. We call non-living parts of the ecosystc abiotic factors (非生物因素). All living things need non-living things to survive. Some of these abiotic factors include water, minerals (矿物质...
“Lifestyle creep happens when an increase in income leads to an increase in spending on living expenses and nonessential expenses. In other words, things that once were luxuries when a consumer had lower income become (perceived) necessities as they make more. Some experts...
a desert is not merely a patch of arid land; rather, a desert constitutes a biome, or community of living things connected to a particular type of geography. In addition, deserts are anything but scarce. Deserts, in fact, account for one-fifth of Earth's land area, and come in four ...
As a result, she says, some of the injuries associated with running, such as runner’s knee, are uncommon among race walkers. But the sport’s strange form does place considerable stress on the ankles and hips, so people with a history of such injuries might want to be cautious in adopt...