How would a biologist classify the plant stem shown? a. monocot stem b. dicot stem c. haploid stem d. gametophyte stem

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

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