6.]Which ecosystems below would you find the highest rate of photosynthesis?
A. Aquarium which contained water,fish,and plants B.Fish pond which comprised of mud fish and water lily C.Forest surrounded by tall trees,ferns,shrubs and animals D.Lake comprises of different varieties of fish,alligators,and water cabbage
7.]The distribution of the different types of organisms in an ecosystem is affected by environmental changes.Verify which of these factors is more likely to affect the distribution of oxygen? ________________________ |.Amount of sunlight l ||.Amount of precipitation | |||.Availability of nutrients from | soil | |V.Number of different kinds | of plants | _______________________ _|
A.|&|| only B.|,|| &||| only C.||,||| & |V only D.|,||,|||, &|V
8.]One of the following statements describes biotic factors in an ecosystem correctly.Which one is it?
A.Gases and water in an area B.Non-living things in an organisms's enviroment C.Plants,animals,fungi and bacteria in an environment D.Solid materials such as rock and soil found everywhere
9.]An aquarium contains fish,snail and hydrilla plants.The organisms mention belong to which of the following?
A.Biotic Factors B.Abiotic Factors C.Both abiotic and biotic factors D.Neither abiotic nor biotic factors
10.]Your aquarium contains greater number of fish and few hydrilla plants.You feed the fish regularly but after few days you noticed that an increased number of fish died.Which if the following most likely caused this?
A.More food intake by fish B.Less energy is absorb from the environment C.Lack of food and water for the fish to survive D.Shortage of oxygen as life support for the fish to live
