Smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification. It consists of narrow spindle-shaped cells with a single, centrally located nucleus. Smooth muscle tissue, unlike striated muscle, contracts slowly and automatically.
Ok this might not be the best answer but just by reading it, it may be unreliable because numbers do change over time
Guanine and adenine, structure-wise, are purines.
Answer:
Ecological succession & pioneer
Explanation:
