百度试题 结果1 题目11 The roots of plants take up nitrates from the soil. C What are the nitrates used to make? A fat B glucose C protein D starch 相关知识点: 试题来源: 解析 C 反馈 收藏
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The plant roots take up the nitrates, trace minerals and nutrients from the water. The roots help to filter the water which is returned back to the fish. The water is continuously recirculating so plants are constantly receiving warm nutrient rich water resulting in tremendous growth. ...
aNitrogen is what gives plants their green vibrancy, and is available in many different forms. Nitrogen is broken down into nitrates, which are water-soluable and absorbed through the roots. If you previously resorted to chemical fertilizers, be aware that most organic fertilizer is slow-release,...
87.【答案】to make trouble【解析】找麻烦,用固定词组make trouble即可,make trouble即“制造麻烦,捣乱”之意。88.【答案】needn’t have borrowed it from the bank【解析】本题考查虚拟语气的用法,needn’t have done的结构是“本不必这样做而做了”的意思。89.【答案】It is because she...
This can be done by adding a small amount of ammonia or using a bacterial starter product. Monitor water quality parameters regularly, ensuring ammonia and nitrite levels spike and then drop as nitrates begin to appear. Step 6: Add Fish and Plants Once the system is cycled and stable, add ...
Nitrates are also absorbed by aquatic plants and algae during their growth processes. A pond without aquatic plants will prove to be a maintenance nightmare. For any biological filtration to work, there literally needs to be billions of bacteria working to purify the water. They prefer to anchor...
Chapter 1/ Lesson 2 345K Learn the definitions of anaerobic and aerobic respiration. Discover the anaerobic respiration equation and the types of anaerobic respiration. See examples. Explore our homework questions and answers library Search Browse ...
What pigment do cyanobacteria need to make food? What is the largest bacteria? Do amoebas need oxygen? What are the characteristics of true bacteria? What does marine bacteria do? What bacteria converts ammonia into nitrates? Is cyanobacteria a type of phytoplankton?
(a) calcium (b) silica (c) nitrates (d) iron (e) phosphates (f) carbon dioxide. Which chemical element make up the majority of living biological matter? What are the two most common elements in the earth's crust? a. oxygen and silicon b. oxygen and hydrogen...