12. The following are considered biotic factors EXCEPT? a. dog b. rabbit c. sunlight d. orchids 13. How will you classify certain factors such as temperature, light, air and soil? a. abiotic b. biotic c. living d. static 14. Which of the following is statements is TRUE? a. all living things are biotic factors b. most living things are abiotic factors C. some non-living things are biotic factors d. living things can either be biotic or abiotic. 15. Which of the following conditions is NOT an ecosystem? a. an empty aquarium b. a growing flower in a pot c. mountains surrounded by trees d. large bodies of oceans and lakes 16. A plant needs water, radiant energy, minerals, oxygen and carbon dioxide in order to live. How are these requirements needed by plants categorized? a. biotic b. abiotic c. climate d. minerals 17. Which of the following characteristics regarding biotic factors is TRUE? a. it stands and rolls down b. it lays down flat and hanging c. it grows, reproduces and dies d. it does nothing to its environment 18. Our cells need this kind of abiotic factor in order to survive, which of the following factors may cause death when it is absent for an hour? a. food b. nitrogen C. oxygen d. water 19. A pond contains fish, snail and hydrilla plants. The organisms mentioned belong to which of the following? a. biotic factors b. abiotic factors c. both a and b d. neither a norb 20. Your pond 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 of the following most likely caused this? a. more food intake by the fish b. less energy is absorbed 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​