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- Sieve tubes are part of ___________. a. cortex c. phloem b. mesophyll d. xylemPlants produce oxygen when they photosynthesize. Where does the oxygen come from? a. splitting water molecules b. ATP synthesis c. the electron transport chain d. chlorophyllA plant in the understory of a forest displays a segmented stem and slender leaves arranged in a whorl. It is probably a. club moss whisk fern fern horsetail
- What adaptation do seed plants have in addition to the seed that is not found in seedless plants? a. gametophytes b. vascular tissue c. pollen d. chlorophyllNew plants grow from pieces or cuttings of parent plants Choose the right answer: a. Regeneration b. Mitosis c. Budding d. Vegetative PropagationWhat gives green plants their color
