How does exposure to red light induce germination among small seeds?

• A. Phytochrome will trigger the production of amylase that breaks down the seed.
• B. It activates the phototropin that initiates the tearing of the sheath.
• C. The auxin will signal the shoots to grow until the sheath tears up.
• D. Phototropin will cause the roots to divide and elongate until it breaks the protective covering of the seed.

Answer: (A)