The source of the oxygen produced by photosynthesis has been identified through experiments using radioactive tracers. the oxygen comes from

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers

Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.