1. High rage of evaporation
2. Low precipitation
3. Extremes of temperature
4. Low atmospheric humidity
Extremes of temperature
1.
2.
3.
4.
1. J. E. Weaver
2. Raunkiaer
3. F. E. Clements
4. G. Turesson
Raunkiaer
1. Population, species, variety
2. Variety, species, population, ecosystem
3. Variety, population, species, ecosystem
4. Species, population, variety
Variety, population, species, ecosystem
1. Only plants
2. Only animals
3. Only carnivores
4. Organisms linked in food chains
Organisms linked in food chains
1. Pollution
2. Soil erosion
3. Deforestation
4. Urbanization
Deforestation
1. Chemolithotrophs
2. Pseudomonas
3. Azotobacter
4. Mycoplasma
Pseudomonas
1. Pine
2. Oak
3. Orchids
4. Rhododendrons
Oak
1. Pine
2. Oak
3. Orchids
4. Rhododendrons
Oak
1. Large number of human beings forming a human chain near a source of foo
2. Large number of animals near a source of food
3. Transfer of food energy from the green plants through a series of consumer organisms
4. None of the above
Transfer of food energy from the green plants through a series of consumer organisms