Primary Productivity

Q. Which are the types of consumers? What are the criteria for their classification?

Q.

Primary productivity is measured in terms of

1. Kg per $m^2$ per yr

2. Tonnes per hectare per yr

3. All correct

4. g per $m^2$ per yr

Q. The number of primary producers within a specified area would be maximum in

1. Grasslands
2. Deserts
3. Rainforests
4. Tundra

Q. Which are the types of consumers? What are the criteria for their classification?