If nectar is used for attracting bees by plants, then what do plants use nectar to attract? Answer choices: - ants - apples - birds - tulips - humans - bees - bears - animal
bees

If reptiles have a complete digestive system and closed circulatory system, then what kind of circulatory system does a reptile have? Answer choices: - three - Closed - organ - complex - Oxygenated - kinetic - None - Open
Closed

If plants use fiber for their cell walls, then plants use what for their cell walls? Answer choices: - sugar - cations - sulfur - fiber - glucose - Carbon - Cane. - peat
fiber