A. preventing and controlling accidental forest fire B. encouraging the use of charcoal for industrial and domestic purposes C. combating…
A. crop rotation and mulching B. contouring of slopping ground and afforestation C. grazing terracing and shifting cultivation D. strip…
A. Death B. Competition C. Commensalism D. Aggression E. Cannibalism Correct Answer: Option A - Competition
A. There is a progressive change in species structure, organic matter and energy flow B. The climax stage consists of…
A. parasitism B. commensalism C. symbiosis D. Predation E. competition Correct Answer: Option C - symbiosis
A. Water removed from oceans are Permanently lost B. Water constantly evaporates from the seas, rivers, lakes and soil C.…
A. Animals in the chain are consumers B. A food chain usually begins with a green plant C. All organisms…
A. the trophic level B. energy level C. the feeding level D. the habitat level E. niche Correct Answer: Option…
A. Paramecium, Phytoplankton, Prawn, Waterflea, Tilapia, Shark B. Waterflea, Paramecium, Phytoplankton, Prawn, Tilapia, Shark C. Phytoplankton, Waterflea, Paramecium, Prawn, Shark,…
A. 0 - 10°C B. 15 - 20°C C. 30 - 40°C D. 45 - 50°C E. above 50°C Correct…