Branching descent is accoured for:

Options

A. Homology
B. Analogy
C. Vestigal organs
D. Atavism

Answer

### Step-by-Step Solution:

1. **Understand the Concept of Branching Descent**:
- Branching descent refers to the evolutionary process where species diverge from common ancestors, leading to the formation of new species over time.

2. **Analyze the Options**:
- **Homology**: Refers to structures that are similar due to shared ancestry. For example, the forelimbs of humans and bats are homologous because they evolved from a common ancestor.
- **Analogy**: Refers to structures that have similar functions but do not share a common ancestry. For example, the wings of birds and insects are analogous.
- **Vestigial Organs**: These are remnants of organs that had a function in ancestral species but are no longer functional in the current species. For example, the human appendix.
- **Atavism**: This refers to the reappearance of ancestral traits in an organism. An example is humans being born with tails, which are traits from distant ancestors.

3. **Identify the Correct Answer**:
- Since branching descent involves the divergence from a common ancestor, the option that best fits this description is **Homology**. Homologous structures arise from a common ancestor and illustrate branching descent.

4. **Conclusion**:
- Therefore, the correct answer to the question "Branching descent is accounted for:" is **Homology**.