Ecology and General Silviculture

A. Cause human disease
B. Cause diseases of other plants
C. Are useful in several industries
D. Bring about decomposition of dead animals and plant remains

A. A primary consumer
B. A primary decomposer
C. Final decomposer
D. The apex of the food pyramid

A. Primary producer
B. Secondary consumer
C. A decomposer
D. Herbivores

A. Photobiology
B. Phytogeography
C. Ecosystem
D. Phytosociology

A. A functional unit of biotic and abiotic components which have an energy source
B. Either a part of land surface, a body of fresh water or the open oceans
C. A functional unit consisting of sunlight, air water and minerals
D. A system consisting of an energy source, producers and consumers

A. Primary consumer
B. Carnivore
C. Decomposer
D. Secondary consumer

A. Only plants
B. Only animals
C. Only carnivores
D. Organisms linked in food chains

A. One
B. Two
C. Three
D. Four

A. By which life originated
B. Where individuals interact with each other
C. Which relates to spherical organisms
D. Organic compound by which the life diminishes

A. The primary producers
B. Primary producers only sometimes
C. The decomposers
D. The consumers