Species are considered as

Options

A. Real basic units of classification
B. The lowest units of classification
C. Artificial concept of human mind which cannot be defined in absolute terms
D. Real units of classification devised by taxonomists

Answer

To answer the question "Species are considered as," we can break down the information into clear steps:

### Step 1: Understand the Concept of Species
- A species is a group of organisms that can interbreed and produce fertile offspring. This is a fundamental concept in biology and taxonomy.

### Step 2: Classification Levels
- In biological classification, species are considered the basic unit. They are the lowest level in the hierarchy of classification, which includes domains, kingdoms, phyla, classes, orders, families, genera, and species.

### Step 3: Real vs. Artificial Concepts
- While species are often viewed as real units of classification, it is important to note that the concept of species can be somewhat artificial. This means that the definitions and boundaries of species can vary based on human perspectives and the criteria used for classification.

### Step 4: Taxonomic Perspective
- Taxonomists, who are scientists that classify organisms, consider species as real units of classification. They use various criteria such as morphological, genetic, and ecological characteristics to define and differentiate species.

### Conclusion
- Therefore, species are considered as the real basic units of classification in biology.

### Final Answer
Species are considered as real basic units of classification.

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