Fill in the following blanks with suitable words:
a) The process of …………. Ensures continuity of life on earth.

Answer

**Step-by-Step Solution:**

1. **Identify the Process:** The question asks for a process that ensures continuity of life on earth.
2. **Understand the Concept of Reproduction:** The concept that relates to the continuation of life is reproduction. This is the biological process through which new individual organisms are produced.
3. **Explain the Role of Reproduction:** Reproduction involves the combination of genetic material from two parents (in sexual reproduction) to form a new organism, ensuring that genetic traits are passed from one generation to the next.
4. **Conclude with the Answer:** Therefore, the process that ensures continuity of life on earth is "reproduction."

**Final Answer:** The process of **reproduction** ensures continuity of life on earth.

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