![subject](/tpl/images/cats/biologiya.png)
In a study in China, several different varieties of rice were planted in the same field. Crop yields increased by 89 percent compared with fields with a single variety of rice. This occurred because there was a dramatic decrease in disease and the fields remained stable without using pesticides. In addition, the system increased local biodiversity. This is an example of a(n) showing greater productivity and stability than a(n) . monoculture; polyculture polyculture; monoculture natural community; agricultural community agricultural community; natural community polyculture; natural community
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:30
Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 03:40
Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:00
Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 08:00
Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.
Answers: 1
You know the right answer?
In a study in China, several different varieties of rice were planted in the same field. Crop yields...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 02:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 10.10.2019 02:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 02:30
![question](/tpl/images/cats/User.png)
Engineering, 10.10.2019 02:30
![question](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 02:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)