Created by S. Brown KISD Practice Ecology TAKS Questions Created by S. Brown KISD In the food web below, which are secondary consumers? A. Tree and grass B. Deer, grasshopper, and rabbit C. Owl, fox, and wolf D. Bird and snake Created by S. Brown KISD According to the biomass pyramid above, what is the mass of the autotrophs? A.6g B.70g C.275g D.450g Created by S. Brown KISD Which of these pictures best represents commensalism? Created by S. Brown KISD ___________ carry out many of the important steps of the nitrogen cycle. A. Bacteria B. Fixations C. Nitrifications D. Atmospheres Created by S. Brown KISD The process in which a plant makes food from water and carbon dioxide, using energy from the sun is known as_______________. A.Respiration B.Absorption C.Reproduction D.Photosynthesis Created by S. Brown KISD Which of the following is most likely to cause increases in a predator population? A. fewer prey B. A reduction in competition C. More parasites D. A period of drought Created by S. Brown KISD Plants Aphids Spiders Sparrows In this food chain, the spiders are---- A. Producers B. Primary consumers C. Competitors D. Secondary consumers Created by S. Brown KISD In Central America there is a tree called bullhorn acacia (Acacia cornigera) that provides both food and shelter to a certain species of ant (pseudomyrmex ferruginea). The ants live within the tree without causing harm. In fact the ants protect the tree by vigorously attacking and stinging other animals that try to eat it. This relationship is an example of--- A.Predation B.Parasitism C.Mutualism D.commensalism Created by S. Brown KISD The carbon cycle, nitrogen cycle, and water cycle are all part of A. The rock cycle B. The energy pyramid C. The nutrient cycle D. autotrophs Created by S. Brown KISD Termites have protozoa living inside their digestive system. The protozoa digest the wood that the termites consume. How would you characterize the relationship between the termite and the protozoa? A. Parasitic B. Commensal C. Mutual D. protocooperative Created by S. Brown KISD How could the amount of CO 2 in the atmosphere be decreased? A. Increase the number of plants B. Decrease the number of plants C. Burn more fossil fuels D. Increase the number of animals