![subject](/tpl/images/cats/biologiya.png)
Biology, 12.04.2021 21:40 forshee785
Which of the following is a benefit of introducing a variety of plants into a farm field, or of reviving older “heirloom” varieties of food plants such as potatoes and tomatoes? Select two correct answers.
A. better crop yields
B. protection of genetic diversity
C. reduction of the chance of pests destroying a crop
D. reduction of the amount of land devoted to agriculture
![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 15:20
Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:50
What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:00
When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:40
Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic
Answers: 1
You know the right answer?
Which of the following is a benefit of introducing a variety of plants into a farm field, or of revi...
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
Medicine, 20.02.2021 14:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 20.02.2021 14:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 20.02.2021 14:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 20.02.2021 14:50
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:50
![question](/tpl/images/cats/mkx.png)
Arts, 20.02.2021 14:50
![question](/tpl/images/cats/biologiya.png)
Biology, 20.02.2021 14:50
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 20.02.2021 14:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)