18. A scientific name contains information about its: a. family and species b. genus and species c. phylum and order d. class and family 19. What causes low biodiversity? a. Pollution b. Habitat destruction c. Over-exploitation d. All of these 20. How can we help to protect our environment? a. Plant trees b. Burning of plastics c. Throwing garbage anywhere d. Hunting animals 21. What is the advantage of having a high biodiversity? a. Poor soil b. Helps to maintain the food web circle c. Decrease livelihood d. Increase contact with decease 22. What type of organisms that can make their own food and for other organisms? a. Carnivores b. Consumers c. Herbivores d. Producers 23. The organism that eats on meat or flesh of animals only. a. Carnivores b. Consumers c. Herbivores d. Produces 24. The ultimate source of energy on earth is the a. Sun b. Tide c. Food d. wind 25. Which of the following can be considered abiotic? a. Nitrogen fixing bacteria b. Dissolved oxygen c. Plankton d. humans