A group of animals which are related by descent and share many similarities are referred to as

Options

A. breed
B. race
C. variety
D. species

Answer

To solve the question "A group of animals which are related by descent and share many similarities are referred to as," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Terms**:
- The question asks about a group of animals that are related by descent and have similarities. We need to identify the correct biological term that fits this description.

2. **Analyzing the Options**:
- The options given are:
1. Breed
2. Race
3. Variety
4. Species

3. **Defining Each Term**:
- **Breed**: A breed is a group of domestic animals or plants with a homogeneous appearance, behavior, and other characteristics that distinguish it from other groups within the same species. Breeds are often developed through selective breeding.
- **Race**: In biological terms, race often refers to a population within a species that has distinct physical characteristics, but it is less commonly used in modern biology.
- **Variety**: This term is often used in botany to refer to a taxonomic rank below species, indicating a group of plants that differ in some characteristics.
- **Species**: A species is a group of organisms that can interbreed and produce fertile offspring. They share a common ancestor and have similar characteristics.

4. **Choosing the Correct Answer**:
- Given that the question specifies a group of animals related by descent and sharing many similarities, the most appropriate term is **Breed**. Breeds are defined by their common ancestry and shared traits.

5. **Final Answer**:
- Therefore, the correct answer to the question is **Breed**.