A. The variety of different species in an ecosystem B. The number of plants in a forest C. Only the large animals in an area D. The amount of water in a river 相关知识点: 试题来源: 解析 A。解析:生物多样性指的是生态系统中不同物种的多样性,包括动物、植物、微生物等各种生物种类的丰富...
Which of the following best describes the importance of this in terms of environmental protection? A. It reduces competition among species so that they can co - exist, which helps maintain the balance of the ecosystem B. It allows species to have more space to reproduce, which is good for ...
Which of the following is a characteristic of most amphibians? a. They breathe with gills throughout life. b. They have poisonous glands. c. They have dry, scaly skin. d. They begin life as aquatic organisms. Select an ecosystem in your area (...
Question: Which of the following is part of an organism's niche? A. Interspecific competition B. Food source C. Equilibrium Parts of a Niche A niche is often described as a species' role in the environment. It includes everything that the species do...
Eventually, the western states diverted much of their produce from the rivers to the Erie Canal, a shorter route to eastern markets.Which of the following best describes the general tone of the letter (Passage 2) A.Angry and aggressive.B.Firm but polite.C.Reasonable but impolite.D.Polite ...
根据第三段中 “Fifteen engineering students at the school, led by Smith, their engineering teacher, have developed and built the farm using aquaponics(鱼菜共生) technology, combining the methods of hydroponics, growing plants with water rather than soil, and aquaculture, the process of growing ...
根据第一段中的 “One little boy named David from my grade one class wanted to learn more than all the others. His round swollen face would smile up at me, reminding me over and over of his disease—leukemia.(我一年级班上一个叫大卫的小男孩比其他所有的人都想学得更多。他那肿胀的圆 脸...
When examining the hierarchy of life, which of the following terms is most inclusive? A. biosphere B. population C. species D. ecosystem Hierarchical Organization of Life: Life on planet earth is organized in a hierarchy. Levels that are...
Plants provide animals with which of the following? a. food b. oxygen c. carbon dioxide d. food and oxygen e. food and carbon dioxide Ecological Food Webs: Plants and animals rely on each other for survival. As autotrophs,...
Internet of Things describes physical objects with sensors, processing ability, software, and other technologies that connect and exchange data with other devices over the Internet. Domoticz - Home Automation System that lets you monitor and configure various devices like: Lights, Switches, various sens...