Q: Echinoderms lack respiratory and excretory systems, and echinoderms are represented by the starfish. Given these facts, what lacks respiratory and excretory systems among the following options: - the Sun - insects - starfish - barnacles - ferns - water - Conifers - humans
A: starfish

Q: Thirst is used to make an animal realize that it needs to replenish its bodily water by the body, and common symptoms of dehydration are thirst, fatigue, headache, dizziness and dark, scant urine. Given these facts, what is an animal experiencing when they need to replenish their body water among the following options: - Dehydration - vaporization - hypothyroidism - Hydration - evaporation - uncontrolled - Warmth - Hunger
A: Dehydration

Q: Oncogenes promote the division of cells with damaged DNA, and again, oncogenes turn on cell growth. Given these facts, what promotes the division of cells with damaged DNA among the following options: - harmful substances - Electrical energy - turning on cell growth - Chemical energy - Something that makes plants green - electromagnetic energy - oxidation reaction - It helps them survive
A: turning on cell growth

Q: Soil erosion means soil loss through wind, and hurricanes are made of wind. Given these facts, what is soil erosion among the following options: - enormous damage to homes - movements in the earth's crust - soil regrowth - massive damage - soil fertilization - soil loss through hurricanes - soil loss through human works - fissures of hot, acidic water
A: soil loss through hurricanes