Question: Some arthropods have special excretory structures, and an arthropod is a member of the Phylum Arthropoda. Given these facts, what creatures have special excretory structures. among the following options: - warm-blooded - fur seals - phylum Cnidaria - phylum arthropoda - barnacles - Phylum Chordata - Phylum Mollusca - Most plants
Answer: phylum arthropoda

Question: All chemical reactions require activation energy to get started, and basically, heat is energy. Given these facts, all chemical reactions require a form of what to get started among the following options: - oxygen - celestial measurement - gas - heat - UV - charge - Light - scientific expression
Answer: heat

Question: Aplants require water for survival, and water hydrates the cells. Given these facts, plants require what for survival among the following options: - warm nights - Organic compounds - long winters - cool air - nutrients - sunlight - Energy. - cell hydration
Answer:
cell hydration