A. Plants eat animals. B. Animals eat plants. C. They have no relationship. D. They compete with E. ach other. 相关知识点: 试题来源: 解析 B。在生态系统中,动物吃植物。植物不能吃动物,它们之间不是没有关系,也不完全是竞争关系。本题考查生态系统中动植物的关系。反馈...
Which of the following shows the relationship between plants and animals in an ecosystem? A. Plants eat animals. B. Animals make plants. C. Plants and animals help each other. D. Animals don't need plants. 相关知识点: 试题来源:
Plants and animals in the ecosystem ___. A. compete with each other B. have the same needs C. don't interact D. are not related 相关知识点: 试题来源: 解析 A。生态系统中的植物和动物相互竞争。选项 B,它们有不同的需求。选项 C,它们会相互作用。选项 D,它们有关系。
food and oxygen C. sunlight and heat D. soil and minerals 相关知识点: 试题来源: 解析 B。动物依赖植物获取食物和氧气。选项 A“shelter and water”中,shelter 通常不是直接从植物获得;选项 C“sunlight and heat”是来自太阳;选项 D“soil and minerals”主要来自土壤。反馈 收藏 ...
In an ecosystem, plants and animals depend on each other. Plants depend on animals for ___. A. spreading their pollen B. eating their fruits C. destroying their leaves D. cutting down their branches 相关知识点: 试题来源: 解析 A。植物依赖动物传播花粉。选项 B“eating their fruits”有时对...
A. Plants need animals to give them sunlight. B. Plants need animals to make oxygen. C. Plants need animals to spread their seeds. D. Plants need animals to water them. 相关知识点: 试题来源: 解析 C。动物可以帮助植物传播种子。选项 A 阳光是由太阳提供的,不是动物。选项 B 植物自己制造氧...
In an ecosystem, plants and animals work together. What do plants give to animals that helps animals live? A. Fur B. Scales C. Oxygen D. Teeth 相关知识点: 试题来源: 解析 C。植物产生氧气,帮助动物生存。选项 A 皮毛是动物自己长的。选项 B 鳞片是动物自己长的。选项 D 牙齿是动物自己长...
Animals and plants are connected in an ecosystem. When animals breathe out, they release ___. A. oxygen B. carbon dioxide C. water vapor D. nitrogen 相关知识点: 试题来源: 解析 B。动物呼吸时释放二氧化碳。选项 A 是植物产生的;选项 C 水蒸气不是主要产物;选项 D 氮气不是呼吸产物。 反馈...
Plants and animals have different needs in an ecosystem. What do plants need that animals don't need as much? A. Water B. Food C. Sunlight D. Shelter 相关知识点: 试题来源: 解析 C。植物需要阳光进行光合作用,动物对阳光的需求没有植物那么大。选项 A 动物也需要水。选项 B 动物需要食物。
A. depend on B. depends on C. are depended on D. are depending on 相关知识点: 试题来源: 解析 A。本题考查动词短语的用法。植物和动物在生态系统中相互依赖。“Plants and animals”是复数,动词用原形;“depend on”是固定短语,没有被动语态和进行时态。反馈 收藏 ...