Ques:If starfish, sea urchins and sea cucumbers lack a centralized nervous system, then starfish, sea urchins and sea cucumbers lack a what? Answer choices: - characteristics - the body's largest organ - watery habitat - centralized nervous system - functioning arm - underwater life - biological diversity - epidermis and dermis

Ans:centralized nervous system
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Ques:If bacteria have no membrane-bound organelles and lack a nucleus, then bacteria have no membrane-bound organelles and lack what? Answer choices: - nucleus - epidermal - Joules - alveoli - glucose - Epidermis - oxygen - PDAs

Ans:nucleus
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Ques:If plants lose water to the atmosphere, then what do plants lose to the atmosphere? Answer choices: - oxygen - gas - rain - sugar - heat - water - energy - Energy.

Ans:water
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Ques:If crewmembers require preserved food for extended flights, then who requires preserved food for extended flights? Answer choices: - humans - consumers - Airplane technicians - Dehydrated Apricots - Preserved Strawberries - space travel - athletes - Crewmembers

Ans:
Crewmembers
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