The case of a plant having nitrogen-fixing bacteria in its roots is an example of: endosymbiosis parasitism mutualism none of these

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

Which spheres are involved when sedimentary rocks formed from parts of seashells at the bottom of the ocean? a.) biosphere, atmosphere, geosphereb.) geosphere, hydrosphere, biosphere c.) geosphere, exosphere, hydrosphered.) hydrosphere, biosphere, atmosphere

True or false most plants are c3 plants, because they use molecules of carbohydrate known as g3p in their photosynthesis process.