Which structure allows photosynthesis to begin in a germinating dicot plant? A. Cotyledon B. Endosperm C. Embryonic root D. Apical meristem E. Lateral meristem

How does photosynthesis and cellular respiration affect the balance of oxygen and carbon dioxide in the atmosphere?

3. Explain what the difference is between an oxygen atom and an oxygen molecule.

Read this excerpt from "dna testing." dna samples from insects preserved in amber can date back to before the time of the dinosaurs, which died out 65 million years ago.

What is the site of action for lactase, maltase and sucrase?/?

What are the four major macromolecules

After plants absorb energy from the sun the energy gets converted into blank energy for the plant to carry out life activities

Which statement best explains how natural selection determines differential survival when a population is under resource stress? A. Individuals with favorable traits are more likely to survive and reproduce than those with less favorable traits. B.

Name three different types of connective tissue and their functions?

What is a possible long-term effect of continued exposure to air pollution?

6. Risk assessment depends on A medicine B climate C scientific research D political stability