百度试题 结果1 题目Which of the following is not a producer in a food chain? A. Grass B. Tree C. Fox 相关知识点: 试题来源: 解析 C。狐狸是消费者,不是生产者,草和树是生产者。反馈 收藏
百度试题 结果1 题目In a food chain, the role of grass is___. A. producer B. consumer C. decomposer D. predator 相关知识点: 试题来源: 解析 A。草是生产者,能进行光合作用制造有机物。反馈 收藏
A food chain always starts with a producer(生产者).(猎物). Predators are usually at the top of a food chain.Every year, the UK Butterfly Conservation does a survey called the "Big Butterfly Count" across the country. The survey is to 1.___the number of butterflies. This year, people...
In the food chain, grass is the ___. A. producer B. consumer C. decomposer D. predator 相关知识点: 试题来源: 解析 A。草是生产者,能够通过光合作用制造食物。消费者是吃其他生物的生物,分解者是分解动植物遗体的生物,捕食者是捕食其他生物的生物。反馈...
In the food chain, grass is eaten by a rabbit. The grass is a ___. A. producer B. consumer C. decomposer D. predator 相关知识点: 试题来源: 解析 A。在食物链中,草被兔子吃,草是生产者(producer)。消费者是吃其他生物的,分解者分解有机物,捕食者捕猎其他生物。反馈 收藏 ...
In a forest food chain,a mouse is eaten by a snake.The snake is then eaten by an owl.In this chain,the owl is a(n)___. A. producer B. primary consumer C. secondary consumer D. tertiary consumer 相关知识点: 试题来源: 解析
A food chain is the set of steps in which living things get the energy they need to live.A food chain shows the move of energy between living things.Every food chain begins with a "producer" and includes one or more "consumers".For example,if you eat grapes,the grape plant is the pr...
Step by step video, text & image solution for If the energy available at the producer level in a food chain is 150 J, how much energy will be transferred to : tertiary consumer ? by Biology experts to help you in doubts & scoring excellent marks in Class 10 exams.Updated on:21/07/20...
X can be grass since it acts as a producer in the food chain which is the base of an ecological pyramid. Y could be a rabbit. It is the primary consumer in the food chain and feeds on grass. Thus it is at the second level in the pyramid of energy. The graph shows ...
Eagles are at the _ level in the food chain among the following options. A. primary consumer B. secondary consumer C. tertiary consumer D. producer 相关知识点: 试题来源: 解析 C。解析:在食物链中,鹰处于比较高的位置。鹰会捕食一些次级消费者,如狐狸等,所以它是三级消费者。它不是初级消费者,...