Natality refers to

Options

A. number of individuals entering a habitat
B. number of individuals leaving the habitat
C. birth rate
D. Death rate

Answer

To solve the question "Natality refers to", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Natality":**
- Natality is a biological term that specifically relates to the birth of individuals in a population.

2. **Analyze the Options:**
- **Option A:** Number of individuals entering a habitat – This describes immigration, not natality.
- **Option B:** Number of individuals leaving the habitat – This describes emigration, not natality.
- **Option C:** Birth rate – This directly relates to natality, as it measures the number of births in a population.
- **Option D:** Death rate – This describes mortality, which is the opposite of natality.

3. **Identify the Correct Answer:**
- Since natality is defined as the birth rate, the correct answer is **Option C: Birth rate**.

4. **Explain the Concept:**
- Natality is typically expressed as the number of births per thousand individuals in a population per year. It is a crucial factor in determining the growth rate of a population.

### Final Answer:
The correct answer is **Option C: Birth rate**.

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