If bass and salmon have a centralized nervous system with a brain, then what have a centralized nervous system with a brain? Answer choices: - objects that have mass - warm-blooded - Earth orbiting the Sun - jellyfish - salmon only - bass only - bass and salmon - chickens
bass and salmon

If burning oil increases carbon in the atmosphere, then burning what substances increases carbon in the atmosphere? Answer choices: - CO2 - oil - tar - gas - CFCs - Cars - coal - peat
oil

If wetlands are extremely important global ecosystems, then wetlands are extremely important? Answer choices: - water conservation - global ecosystems - Desert Ecosystem - Terrestrial ecosystems - important habitats - the environment - food and shelter - Forest Ecosystems
global ecosystems

If insects are arthropods, then what group do insects belong to? Answer choices: - graptolites - animals - annelida - mollusca - chordata - honeybees - arthropods - more abundant
arthropods