![subject](/tpl/images/cats/biologiya.png)
Biology, 17.11.2020 16:30 abbyramirez52
What should an ecologist measure in order to construct a pyramid of biomass for an ecosystem?
A. the biomass in each trophic level of the food web
B. the total mass of all the organisms in a representative area of the ecosystem
C. the total mass of all the organisms in the ecosystem
D. the number of organisms in each trophic level of the food web
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 17:00
Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:30
Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 17:30
Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate
Answers: 1
![question](/tpl/images/cats/biologiya.png)
You know the right answer?
What should an ecologist measure in order to construct a pyramid of biomass for an ecosystem?
A. th...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 18:30
![question](/tpl/images/cats/istoriya.png)
History, 09.09.2021 18:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.09.2021 18:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.09.2021 18:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 18:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 18:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 09.09.2021 18:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 18:30