Q17 - Select the INCORRECT statement from each of the following statements
A: Seagrasses do well in environments with high levels of dissolved nutrients.
B: Seagrasses tend to grow in relatively calm environments.
C: Seagrasses provide services such as nutrient recycling, primary productivity, habitat, and a food source for many endangered megafauna.
D: The ecosystem goods and services provided by seagrasses worldwide is estimated to be 1.9 trillion dollars per year.
A: Seagrasses do well in environments with high levels of dissolved nutrients.
B: Seagrasses tend to grow in relatively calm environments.
C: Seagrasses provide services such as nutrient recycling, primary productivity, habitat, and a food source for many endangered megafauna.
D: The ecosystem goods and services provided by seagrasses worldwide is estimated to be 1.9 trillion dollars per year.
举一反三
- When computing the cost of the basket of goods and services purchased by a typical consumer, which of the following changes from year to year? A: The quantities of the goods and services purchased. B: The prices of the goods and services. C: The goods and services making up the basket. D: All the choices are correct.
- In OSI model, each layer provide services to layer above, and ‘consumes’ services provided by layer below.
- What’s the trading volume between China and UK? A: 1 billion dollars per day. B: 70 billion dollars per year. C: 17 billon dollars per year. D: 50 billion dollars per year
- Invasive species are defined as A: a species not native to an area that spreads and causes damage to the area B: species suited to stable environments that produce a few, relatively large offspring and provide parental care C: species suited to changing environments that produce many offspring and provide little or no parental care D: species whose presence is key to maintaining biodiversity in an ecosystem and to upholding an ecological community’s structure
- The following statement,whichis true() A: The ecosystem consists of animals, plants and microorganisms B: The ecosystem is composed of autotrophs, heterotrophs and syntrophs C: Theecosystems consist of plants, herbivores, carnivores, and scavengers D: Theecosystems consist of producers, consumers, decomposers, and abiotic environments